machinery / photoelectric systems / hand tools / accessible emergency stop device / guillotines devices / hazardous equipment / start device / Can machinery / applicable equipment / personal protective equipment / person using work equipment / protective devices / appropriate work equipment / protection devices / work equipment / machine tool / hand equipment / safety work equipment / mobile work equipment / wrong equipment / control devices / safety devices / automatic braking devices / control systems / equipment produces/releases gas fume / procedural measures e.g. safe systems / /