Complex sentence: In manufacturing, "machine guarding" is a shield or device covering hazardous areas of a machine to prevent contact with body parts or to control hazards like chips and noise from exiting the machine.
Split into simpler sentences: In manufacturing, "machine guarding" is a precautionary safety feature on manufacturing equipment. Specifically, it is a shield or device covering hazardous areas of a machine to prevent contact with body parts or to control hazards like chips and noise from exiting the machine.