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Howstuffworks "Circular Saw" |
 | | A circular saw is an electric saw that turns a round flat blade to cut wood, metal, or plastic depending on the blade selected. |
 | | Circular saws have a handle with on/off trigger switch, an arbor nut to hold the blade in place, and guards to protect the operator from touching the spinning blade. |
 | | To safely use a circular saw, select the blade appropriate to the job, firmly attach it to the saw using the arbor nut, then adjust the sole plate for proper height and bevel for the job. |
| home.howstuffworks.com /circular-saw.htm (452 words) |
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