ERP?????????? - PowerPoint PPT Presentation

Loading...

PPT – ERP?????????? PowerPoint presentation | free to download - id: 5fd7e9-ODBiN



Loading


The Adobe Flash plugin is needed to view this content

Get the plugin now

View by Category
About This Presentation
Title:

ERP??????????

Description:

Title: / Author: ds Last modified by: Created Date: 5/30/2004 12:19:43 PM Document presentation format: – PowerPoint PPT presentation

Number of Views:265
Avg rating:3.0/5.0
Slides: 116
Provided by: ds42
Learn more at: http://web.thu.edu.tw
Category:
Tags: erp | apics

less

Write a Comment
User Comments (0)
Transcript and Presenter's Notes

Title: ERP??????????


1
ERP??????????
2006 ???????????
2
????
  • ??ERP????????ERP????????????ERP????????????W
    orkflow ERP ????

3
ERP?????
?
  • ??ERP?????????
  • ??21????????????????
  • ??ERP????????????

4
??ERP??????????
MRP-1970
Material Requirement Planning
MRP?-1980
Manufacturing Resource Planning
ERP-1990
Enterprise Resource Planning
Extended ERP (??ERPCRMSCMECMESBIKM?)
ERP?-2000
RTE
Real Time Enterprise
5
????MRP ??????(Material Requirement Planning)
1970??????????????? ?????, ????????????????? MRP?
??????????,????????????(Bill of
Material,??BOM)???????????,????????????????,??????
???????????????????????
6
????BOM (????-Bill of Material)????
? ? ? ? ? ? ?
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30
7
????MRP ??????(Material Requirement Planning)
  • ?? ??????????? ( ???? ???????) ???
  • ?????? ?????????????????? (??
  • ???????..)?
  • ???????????????? ,?????????,??
  • ??????? ,??????????????????
  • MRP ???????????????????????? ,
  • ?????????? ????? ?????

  • ???

  • ??????

8
MRP???
??????????8/20,??????100 pcs,???????5????,8/20
????????60 pcs,??????????????????,????40
pcs??????8/19??,????8/20????????? ?????40
pcs???????5??????,?????????8/13??(8/14????)???????
??????10?,??8/3 ?????????????????????????
8/20
8/19
8/13
8/14
8/3
???????
???????
???????
??
?????
40 pcs?? 60 pcs?? ?100 pcs???
40 pcs????
40 pcs ??????
9
??????
????????MRP???????, ????????????8/20?8/14?8/3
,?????? 8/20????? ???????100 pcs,??????60
pcs,?????40 pcs? 8/14?????????? ??????40
pcs,??????????????????? 8/3 ??????????? 40
pcs????8/14????,8/13??????,??????10? ?????????????
,????10????,??8/3????????
10
???????
  • 1.????????????????????????
  • ????????????????
  • 2.????????????????????????
  • ??????????????????
  • 3.?????-???gt0 ??????????????
  • ??????????????

11
?????? ????????
  • ??????
  • ??????????? or ??? ???? ,?????????
  • ????????????????????
  • ????? 40pcs ??????? 7/5?7/15?10?
  • ?????????? ??
  • ??????
  • ??????, ???(??)??????????????
  • ????? 40pcs ??????? 715?7/20?5?
  • ???????????? ?

12
MRP??????
  • MRP????????????,?????????????????
  • ????????????,?????????????MRP????,
  • ???????????????
  • ??????????(Lead time)????
  • ex??L/T??7?,???????????????,?????????????????
    ,MRP???????????????????
  • BOM??? ???(?????????),?????????
  • ????????,?????????
  • ??????? ??????

13
LRP ?????? (Lot Requirement Planning)
  • ??????????MRP??????? ,???????(?500?) ,
  • ??????MRP????,????????????????,
  • ???????? ,??60??? ,?????????????
  • ??????????
  • ????????????? ,???e??????? ,?MRP??
  • ?????????????????????????????????

14
 ?LRP?MPR ??????
MRP???????,????????(????)???????,????????????????
????????(???????)??????????????,?????????MRP??????
????????? ?LRP???????????????????????????????,????
?????????????,???????????????????????????? ???????
,?????????????,?LRP??????????90??,??LRP??????????
???????????????
15
????MRPII ????????(Manufacturing Resource
Planning)
???????????,???????MRP????? ?????,?????????????
??????? ?????????,?,???????????,???????????,??????
?????(CRP,Capacity Requirement Planning)
,???????,????MRP?? , ?????????????????????
16
??????
  • 5M
  • 1. ?? material
  • 2. ? man
  • 3. ???? machine
  • 4. ?? method
  • 5. ?? money

17
????ERP ????????(Enterprise Resource Planning)
  • ?????,???MIS??(??????)???????????? ,
  • ??????????????? ,???????????ERP??
  • ?????????APICS??ERP??????? ,??? MRPII?4?
  • ???
  • ??????
  • ?????
  • ???????
  • ???? (N-tier)
  • ERP????1990?????Gartner Group Inc.???????? ,??
  • ????????????????? ,???????????????
  • ???????
  • ????????????????????????????????

18
????ERP???
  • ?????????????,??????????????????
  • ??????????????
  • 1.?????????????? ????????????
  • 2.??????????,?????????????????????
  • ???,???????????
  • 3.???????,??????????????????ERP????
  • ?????????
  • ??????????,???????????,?????
  • ?????????????

19
???MIC?ERP???????
???????MIC,2002?
20
???? ERPII???
  • 2000?Gartner Group Inc.???????? ERPII?
  • ????????????,??????????,?ERP
  • ????????IT??????????????? ?

21
(No Transcript)
22
ERPII????
  • 1.ERPII??????????????
  • ERP (??????)
  • CRM (Customer Relationship Management ??????)
  • SCM (Supply Chain Management ?????)
  • EC (E Commerce ????)
  • SEM (Stratagem Execution Management ????????)
  • MES (Manufacturing Execution System ??????)
  • BI (Business Intelligence ????)
  • KM (Knowledge Management ????)
  • PDM (Product Data Management ??????)
  • PLM (Product Lifecycle Management ????????)

23
ERPII????
  • 2.ERPII??????BPR?????????
  • ????????????????????????,??????
  • ??????
  • 3.ERPII???????????IT?????
  • ERPII??????IT?????, ???????????????????????????
    ????????,??????IT?????

24
(No Transcript)
25
???????? RTE (Real Time Enterprise)
  • ?????????IT??????Gartner Group????
  • ?2002??,?????????????????????
  • ??????,????????????????????
  • ?????,?RTE?
  • Gartner Group????????????????,???
  • ????????????????,????????????
  • ??????????????????,??????
  • ?,???????????
  • ????????????,??????,??????
  • ??????????10-15?

26
??21????????????????
  • 1.????????ERP??????
  • 2.??????,??????????,ERP??????
  • ????????
  • 3.???????,?????????????????
  • ?,????????????
  • 4.e???????????
  • 5.ERP??????????????????

27
??AERP????????
???? .????
???? .???? .????
ERP??
???? .????
???? .???? .???? .???? .????
BTS ????
???? .???? .????
???? .???? .??????
28
(No Transcript)
29
??BERP?PDA??
????
????
???? ????
???? ???? ????
????
???? ????
????
???? ????
????
???? ???? ????
????
????
30
??CERP????????
???
??????
ERP??
ERP??
??????? ???? ?????
?? ????? (???)-???
????? ??ERP? ?????
Host Storage Table
??/??/??
???????, ???????????
????
??????? ???????
??
? ?
31
??DERP?CAD???
32
??EERP?MES???
ERP??
MES??
? ? ? ?
? ?
????
????
????
? ? ?
????
?????
????
??????
33
??FERP??????
34
??GERP?APS???
e-Sales
??????-Web
??
????????
??????
ATP??
APS??
??
ERP ????
35
??ERP????????????
ERP????????????7??? (???P3138) ?????
?????????????? ????? ?????????????????? ?????
??????????? ????? ??Input/????/???????/Output
/ ????? ????????? ??????????? ???????
???????????????? ???IT????????????????
36
????
  • ??ERP????????ERP????????????ERP????????????W
    orkflow ERP ????

37
ERP??????????
?
  • ??ERP?????????????????
  • ??Workflow ERP???????
  • ??????ERP???????
  • ??ERP?????????

38
???????????????????
???????-???
39
?? ????????
???? 1.????????
?????? 1.????????2.?????????
???? 1.??????????2.????????3.?????????4.????????5.??????????6.??????????7.???/??????8.??????????
???? 1.??????--??????2.????????
40
?? ????????
???? 1.??????2.????????3.??????
?? 1.????????-??????
???? 1.?????????? 2.?????????????
???? 1.??????2.??????
??????? 1.???????????????
???? 1.?????????? 2.?????????? 3.??/????????
41
????????????????
42
????????????
??????
???????
??????
??????
???????
??BOM????
?????
?????
???????
?????????
????
43
??????????

?? ????/???????? ???? ?????? ???????? ???????? ??bom?????? ???????
?? ?? ???? ???? ???? ???? ???? ????
?????? ?? ?? ??? ?? ???? ?? ???
44
????????-?e??
??
??
??
45
??????????-?e??
??-????
???
1
??
??
46
???????????
47
????????
Q1??????????????????,???????????????,????????????
???? Q2???????????????????????????????
????????????????????????????? Q3????????????????,
???????,??????????????????,???????????????????????

48
E???????????????
????????????????????????
????
??
ERP???
??
????
????
????
??/
BOM??
??
????
????
??
????
49
???????????????????
??
6
1
???
2
???
???
3
????
????
???
4
???
5
???
ERP-system
50
???????????????
1.????? 2.???? 3.??????(ECN)
1.????/???? 2.??????- 3.???/??/????? 4.????/?????
5.??????? 6.???????
1.????????? 2.????? 3.??????? 4.?????????
??
??
????
??/??/??
??
1.??/???????? 2.??????????- 3.??????????? 4.??????
????? 5.??????? 6.?????????
1.????????? 2.????- 3.??????? 4.??????? 4.?????
AnywhereE,Anytime
51
??Workflow ERP???????
ERP????
???? ?????????
????? ?????
1.?????? MIS
2.???????? MIS
3.?????? ??
4.????????  ??
5.?????? ??
6.??????  ??
7.?????? ??
8.??/??????  ??/??
9.???????? ????
10.?????? ????
11.???????? ??/??
12.?????? ????
52
???? ?????????
13.?????? ????
14.???????? ??
15.??????? ??/??
16.?????? ????
17.???????? ??
18.???????? ????
19.??????? ??
20.???????? ??/??
21.???????? ????
53
???? ?????????
?????? ??????
22.?????? MIS
23.???????? ??
24.???????? ??
25.?????? ??/??
26.??????? ??
27.???????? MIS
28.?????? ??
29.Fax/Email???? MIS
30.???????? ????
54
???? ?????????
????????? ?????????
31.?????? ??
32.?????? ??
33.?????? ??
34.B2B???? MIS
35.PDA???? ??
36.???????? MIS
37.???????? ????
38.???????? ????
39.?????? ??
40.???????? ??/??
41.ERP/PDM???? ??
55
???? ?????????
????????? ?????????
42.???????? ????
43.???????? ????
44.???????? ????
45.???????? ????
46.???????? ????
47.???????? MIS
??eis /bi ?????????????????????
56
?????ERP???????
??????
? ?
????
????
??/??
??/??
??/??
? ?
???? ???? ???? ????
BOM??
???? ???? ???? ???? PDA?? ??? ????
??/?? ???? MPS?? ???? LRP?? MRP??
???? ???? ???? ???? ????B2B?? ???? FAX/Email ????
???? ???? ???? ???? ???? BI??
???? ??/?? ???? ????
???? ???? ???? ???? ??? ???? ???? ??? ????
57
??????ERP??????
????ERP?????????,?????????,????????????ERP???,???
???????????20???????15??????25????????,??????
???,????ERP?????????,ERP??????????????????????????
,????ERP?????????????,??????????,????????????
58
????,A?????????45?,??????????,??????????????????,?
????????????,BOM?????????????????ERP???????????,??
??????????????????  
59
1.????????? ????????????,??????????,????????
??,???ERP?????   2.?????????????
??????????????????????,?????????
????????????????????????????????
????????..?????????ERP?????????????   3.BOM????
BOM???,?????????????,????????????
?????????????,???ERP?????????????
????????,????ERP????ECN????
60
ERP????
(?).??????BPR (Business Process Reengineering)
?????? (?).??ERP????????????,?????????? (?).??e???
?????,???????????? (?).??IT?????????????,?????????
???? (?).?????????,??????????,??????
??????? (?).??e??????????,?????? (?).???????,???
????????????? (?).??IT??,????,?????????????
61
(?)???ERP????????????,????????
?? (1).?????????,?????????? (2).??????????? (3).?
???????????????? (4).?????????? (5).?????????????
62
(?).??e????????,????????????
(1).???????????????,?ERP????????,
???????,?????????? (2).?????????????EDI????,?????
??? ????? (3).PDA??????????????? (4).???????
?????????????????? (5).????????????????????
63
(?).??IT?????????????,??????? ??????
(1).??????????MRP??? (2).???????????,??????? (3).?
??????????????? (4).??????,?????????????
64
(?).?????????,??????????,?? ???????????
(1).??????????? (2).?????????? (3).???????? (4).??
?????? (5).?????? (6).?????????? (7).??ABC??? (8).
??ABC??? (9).??ABC???
65
(?).??e??????????,??????
(1).?????EDI????? (2).????????????????????/??/??/?
? ????????? (3).???????????????????,??LEAD
TIME? (4).??????????,?????????????????
66
(?).???????,????????????????
(1).ERP?BI?????????????,???????????? (2).ERP?PDM?P
LM????
67
??ERP?????????
(?)?e????
???? ???????
1.??e???? ??e?????/?e?????? ()
2.??e???? e????/???? ()
3.??????e???? ????????????????????????????
4.??????????? ???/??/??/??/??/??/???????e???????? ()
5.??????????? ???/??/??/??/??/??????? e???????? ()
6.????????? ??????????????
7.????????/?? ???/??/??/?????????????
8.e???? MRP??/MPS??/????/????/????/EIS/CRM/????/SCM/???????
9.??????e????? EDI/SCM/????????????
10.e-SERVICE???? ?????/????()? /???????/??????()
68
(?)?????
???? ???????
1.??????????? ????
2.??????LEAD TIME ?????
3.???????- e??? ??????? ()
4.????????? ??????? ()
5.??????? ?????/???? ? ??????/????? () (AB???)
6.????????? ??????/??????? ()
7.???????????? ??????
8.?????? ????????????
9.??????????? ?????/????? ()
69
(?)?????
???? ???????
1.??????? ???????????????????
2.???????? ?????/????? ()
3.??????????? ????????????
4.A??????????? ????/???? ()
5.???? ????/??????? ()
6.????? ?/? ? ?/?? ? ????/?????
7.??????? ?/?????
8.????????? ?/? ? ????/???????
9.????????????? ????/? ? ????/?????
10.????????????? D???????????(????? )
11??????? ?????/????? () ? ?????/????? ()
12.??????? ??????/????? ()
13.??????? ?????/????? ()
70
(?)?????
???? ???????
1.???????????? ????/????? () ? ????/????? ()
2.???????? ??????/????? ()
3.?????? ????/????? ()
4.????????? ????????/????? ()
5.?????? ??????
6.???? ??????
7.????????? ??????/????????? ()
8.??????? ???????????/?????? ()
71
(?)???????
???? ???????
??????????? ??3??5?...?10??15?
?????????? ??15??1???2??
???????? ??10??15?
????? ????/???? ()
?????(??) ?/??
72
????
  • ??ERP????????ERP????????????ERP????????????W
    orkflow ERP ????

73
ERP????????????
?
  • ??ERP?????
  • ????????
  • ????BOM???
  • ????ERP???,???????????

74
ERP?????????
?? ????
??????? ???????????????,?????????????,?????????
?????-?????? ??ERP????????????,?????Key????????
?????? ?????????????????????????????,???????
???????? ?????ERP?????????,???????,?????????
???????? ??????,????????????? ?BOM??????,?????????
?????????? ?????????????????,???????,???????????,???????,???????????????
????????? ??e???????????????,??ERP????????
75
ERP?????-????
1
3
4
??????
??????? ???????
??????
????????
??????
??????
???? ??
???????
???? ????
2
5
?????????
??? ????
????? ?????
??????
???? ????
??
76
??????????
77
?????????
78
???????
79
 ????????
????????????? ??????????????????
?????????? ????????????
??????? ???????????
??????? ??????????????
???????? ?????????????????
?????? ??
?????? ?????????
?????? ??
???????? ??
???????? ???? (?????????????,??????)
??????? ????
???????? ??????????
???????? ?????
80
???????
??1?????????
??2???????????
??3????????
??4??????????
??5??????
??6???????????
??7????????????????
??8????????
??9????????
??10????????
81
????
??????? X X XX XXX XX ? ? ? ?
? ? ? ? ? ? ? ?
? ? ?
? ? ?
82
 ????BOM???
???????????????BOM???
??????320002PCBA-Sensor-SX(S?/1)??????BOM...?????
83
BOM????8???
???BOM???,????????????? ??1????????????????????
??2??????????????? ??3?????????????????????????
(?????...?)? ??4??BOM??????????????????????
84
??5???????????????????????? ????????
85
BOM????8???
??6??????????,??????????????
??? ??7??????????????????? ??8BOM???????????????
????????
86
?MIS ?????????
?? ??ERP?,???????????
?? MIS??????,??????????????,????????,????????????
???,?????,e??????????????????????,e?????????
87
?MIS ?????????
?? ?????????,???ERP?????????????????,MIS?????????
??????????????????,e???????????
88
????MIS????
?? ?e????????????,???????,???????? ??????.?e?????
??????????????,?? ?????????,??????????????????.
89
ERP?????????
???????
?????
??e?????
??e?????
?????ERP????ERP???????????????, ????????,????????E
RP??????ERP?????
90
ERP?????????
91

?????????? (1).??????e????e???,????e???,???????
??,????e?????????,???????e??????? (2).??????????
?????,?????e???????? (3).????????????????????????
92
?e?????
(1).???ERP?????????? (2).?????ERP?????????????????
?????????? ?????????? (3).??ERP????????? (4)
.?ERP????????????,?????????????? (5).??ERP????????
?????????? (6).????e?????????????????????? (7).???
???? ????????????????????????
???ERP??????????????????????
???????????????? ???ERP???????? (8).ERP???????
?? ???ERP???????????????????????
???????????????? ?????????ERP?????????????????
?????ERP?????????????,???????
??????????????????,?????????? ?????????
ERP????????
93
???e?????
???ERP???????????????????????? ???ERP???????? ???E
RP?????????????????????? ????????ERP???????????? ?
????ERP??????e???????
94
????
  • ??ERP????????ERP????????????ERP????????????W
    orkflow ERP ????

95
??Workflow ERP ??????
Workflow ERP 3-Tier?????????????????,?????????????
?????????????? Client?????????,???????Middle
tier,????,??????????Middle Tier
Server??????????,?????Client??????????????????????
,??????????,???????????????????,???????????,??????
????????????????
96
(?)???WF-ERP????????
???? ??
Data Base Server Microsoft Windows NT Server 4.0 Sp4 Microsoft Windows 2000 Server Sp3 ????? Internet Explorer6.00?Microsoft SQL Server 7.0 Microsoft SQL Server 2000
APP Server Microsoft Windows NT Server 4.0 Sp4 Microsoft Windows 2000 Server Sp3 ?????
??? Client Microsoft Windows 98 Microsoft Windows NT Workstation Microsoft Windows 2000 Professional Microsoft Windows XP Professional Internet Explorer 6.00?????
97
(?)???WF-ERP????????
Database SQL SERVER???
CPU Pentium-?450??
RAM 1GB?? (3050? 2GB , 50??? 3GB)
HDD 40GB ?? (??SCSI HDD RAID 5?RAID5-E,??????) ???3?4?????
CD-ROM 24X ??
Tape Driver DDS2??(??????)
Modem 56K(????PcAnywhere??)
UPS ?????
???? ERP ??????????????????? 10
????,???????????? ERP ???,?? DB SEVER
?????????????????
98
APP SERVER???
CPU Pentium-?450??
RAM 512 MB?? (3040? 1GB ,40?????2?APP SERVER)
HDD 10GB ??
CD-ROM 24X ??(Option)
Tape Driver DDS3 (12G) (Option)
Modem 56K(Option)
?APP???????????????,???????????,APP??????????????
??
99
PC????
CPU Pentium-?400Mhz ??
RAM 256 MB?? (?? 512MB)
HDD 8GB ??
CD-ROM 24X ??(Option)
Modem 56K(Option)
100
(?)?WF-ERP?????
ERP????????????????????,???????????????
1. Client ???????INPUT ??,??????????? (?AP??)?
2. APP Server????ERP???????? 3. DB
Server??????????
2-tier vs 3-tier
3-tier
2-tier
????????????
Database Server
????????????
Application Server
?????? ??????????
?????? ?????????? ???????
Client
???????
101
?????????
102
(?)????ERP??
????(????????)
DB Server Windows Server 2003 SQL Server 2005
UPS
10 or 100 Base HUB
Windows 98 WFERP Client WFERP App. Server
Windows 2000 WFERP Client WFERP App.
Server Dispatcher Server
Windows XP WFERP Client WFERP App. Server
Windows XP WFERP Client WFERP App. Server
103
????-2
DB App Server Windows Server 2003 SQL Server
2005 WFERP App Server
UPS
10 or 100 Base HUB
Windows 2000 WFERP Client Dispatcher Server
Windows 98 WFERP Client
Windows XP WFERP Client
Windows XP WFERP Client
104
???(APDBClient)??
UPS
DB Server Windows Server 2003 SQL Server 2005
App Server Windows Server 2003 WFERP App Server
10 or 100 Base HUB
Windows XP WFERP Client
Windows 2000 WFERP Client
Windows Workstation WFERP Client
Windows 98 WFERP Client
Windows 2000 Dispatcher Server
105
????
UPS
DB Server Windows Server 2003 SQL Server 2005
App Server Windows Server 2003 WFERP App Server
10 or 100 Base HUB
Windows XP WFERP Client
Windows 2000 WFERP Client
Windows 98 WFERP Client
Windows 2000 Terminal Server
Windows XP WFERP Client
VPN/ Internet
Internet Explorer Terminal Client
Internet Explorer Terminal Client
106
  • ?.WF-ERP??Terminal Services??
  • ??????????,??????????
  • ????????WF-ERP?
  • ??????Remote????????????????
  • Terminal Server ERP AP Server ERP
    Client?????????,??Terminal??????????MIDAS???
  • ?????IT???????????
  • ???Web Solution?
  • ?.????Terminal Services???
  • ??WF-ERP Client?????????
  • ????????
  • ????????
  • ????Windows 95???????

107
?????????
DB App Server
UPS
???
Client
Client
HUB
Dispatcher
Router
???? / Internet
????
????
????
Router
Router
Router
HUB
HUB
HUB
Client
Client
Client
Client
Client
Client
?????
?????
?????
108
(?)?Workflow ERP ?????
Client??????
Client?????,????????? ????????????????? source??L
eaderWorkCenter???????
C_data
C_dsbin
Client???????
Conductor
Client?????
C_modi
C_pkg
Client?????
109
Server??????
Batch_Log
???????Log?
S_data
Trans_Log
???????Log?
S_dsbin
Server???????
Conductor
Server?????
S_modi
S_pkg
Server?????
???
LeaderReport
110
(?)??????(???????)??
3. Dispatcher
?????
4. ???
Database Server
2. JOBQUEUE
Application Server
1. Socket
Client
Client
Client
Client
5. ???????
111
(?)?WF-ERP???????????
1.??????????? ?????????????????CD?????????,???
??,????????????????,?????????????,????????????????
,?????????????? ?????????DB?????,?????????????
????,???????????
112
2.WF-ERP ????? ?????,???SUPER-USER??????,?????DS
?,???,?????????????????,????????   3.WF-ERP
????????? WF-ERP????Client ????,?5 user?10
user?20 user?unlimt ??????,????????????,????user??
??,????????logout? 4.?????SUTDOWN
??????????,??SHUTDOWN ??????,?????????????????????
????SHUTDOWN ,??????????
113
5.????????
WF-ERP ????????????????????,?????WF-ERP??????????
???,????????? (1).????????,??????????? (2).??????
???SOP,??MIS?????? (3).???????(CD/??/??)?????????,
????????? (4).???????????????,????????????????????
? (5).???????????????????,???????????? (6).???????
??????????LOG???????????????????
114
6.??????
??? ERP ????????????,???????????????????,?????????
?,?????????,????????,?????????,?????????????????,?
???????????????????????,???????????,?????????? (1
).????? (2).????????(?????????) (3).???????? (4).?
??????????
115
QA
About PowerShow.com