Working at height1. You need to change a lamp 3 m above a busy walkway. Which action comes first?A. Climb a nearby stack of palettes because the job will only take a minute.B. Plan a safe access method, keep people out of the drop zone, and use suitable equipment.C. Ask a colleague to hold the ladder with one hand while they keep walking traffic moving.D. Wait until it rains so fewer people are on the walkway.Check answer