It is forbidden to work directly on the desktop (that is, special treadboards are needed, and ordinary countertops such as tables and counters are not allowed).

Implement anti-separation measures (similar to connecting the cross braces of two ladders in the middle of a herringbone ladder to prevent the ladder from cracking). Make a safety confirmation under your feet.

When using scaffolding pedals, the two boards should be overlapped and fastened.

It is forbidden to use steel pipe scaffolding without scaffolding pedals. Without scaffolding pedals, steel pipe scaffolding cannot be used.

Confirm rollers, levers, winches, wire ropes and pulleys.

It is a flange for nitrogen, liquid medicine, etc. Separated? (This sentence is not very clear ⊙⊙ b)

When working near live wires, confirm protective measures (to prevent electric shock).