Machine Hazards

Shop equipment can cause serious harm. You should know the risks of working with equipment and follow safety procedures. Amputations and crushing injuries are nothing to ignore. Know where your hands and feet are at all times.

The signs below will help you identify shop machine hazards.


  • Point of operation is where the machine performs thework.
  • Nip points, punching, rotating, shearing and bending actions can cause seriousinjuries.
  • If you are not careful, injuries can happen during normal operations, clearingjams, scheduled and unscheduled maintenance, and lubrications.
  • Do not try to defeat a machine guard. Use proper proceduresinstead.
  • Make sure you can always reach the power shut-off switch on every machine you operate.

Discussion questions:

  1. What can happen if you reach into a machine when it isjammed?
  2. Where is each machine’s power shut-off switch?
  3. Can you remove a guard if the material is too thick to feed into a shear?
  4. Should you wear safety glasses in welding and grinding areas?
  5. Is loose clothing and long hair appropriate when working around rotatingequipment?

Warning: Cutting Saw BladeWarning: Sparks & Grinding DebrisWarning: Rotating Pinch PointsWarning: Amputation Hazard