Carpenters use a level to find out if a surface is perfectly horizontal. When a carpenter places the level on a surface that is perfectly horizontal, the air bubble stays in the middle of the horizontal tube. The metal, alcohol, and air in the level - PowerPoint PPT Presentation

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Carpenters use a level to find out if a surface is perfectly horizontal. When a carpenter places the level on a surface that is perfectly horizontal, the air bubble stays in the middle of the horizontal tube. The metal, alcohol, and air in the level

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Title: Slide 1 Author: Nathan Zurakowski Last modified by: Courtney Lane Created Date: 3/2/2007 9:05:08 PM Document presentation format: On-screen Show (4:3) – PowerPoint PPT presentation

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