Sierras, hammers and other tools

Posted in 7 - How things work, Sierras, hammers and other tools


There are tools to measure height, the length or perimeter.

There are tools to grind, to dent, to hit, to spray.

There are tools to grasp, to hold, to turn, to hold.

There are tools that make holes in the wood, on metal and on leather. There are tools for sawing objects lengthwise or widthwise.

How do the tools work? Keep reading and you will see.

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