make a list of safety precaution when using machines give less to each of the following
1,______,_____sharp objects
2,______,_____wheels and gears
3,______,_____ramps
4,______,_____pulleys
5,_____,______bicycle
6,______,_____scissors
7,______,_____ax
8,______,_____hammer
9,______,_____staple
10,______,____computer
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