The question is broad and vague, but I would say hardware.
Answer:
sorry,but I can't understand your question.
1)<u> </u><u>An opening conference. The opening conference is a brief meeting during which the OSHA inspector will explain the purpose of the inspection.</u>
2) <u>A worksite “walkaround” The walkaround is the actual inspection.</u>
3) <u>A closing conference.</u>