Author
Description
Author
Accelerated Reader
IL: LG - BL: 3.7 - AR Pts: 1
Description
Author
Accelerated Reader
IL: LG - BL: 3.7 - AR Pts: 1
Description
Author
Description
Author
Description

6) Levers

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Description
Author
Description

8) Screws

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Description

9) Gears

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Description
Author
Description
Author
Accelerated Reader
IL: LG - BL: 5.2 - AR Pts: 1
Description
Author
Description
Author
Description
Author
Description
Author
Accelerated Reader
IL: LG - BL: 3.3 - AR Pts: 1
Description
Author
Accelerated Reader
IL: LG - BL: 3.1 - AR Pts: 1
Description
Author
Description
Author
Accelerated Reader
IL: LG - BL: 3.4 - AR Pts: 1
Description
Author
Accelerated Reader
IL: LG - BL: 3.2 - AR Pts: 1
Description
Author
Accelerated Reader
IL: LG - BL: 3.3 - AR Pts: 1
Description