mobile ladders must be protected from select the best answer: weather heat corrosive materials all of the…
mobile ladders must be protected from select the best answer: weather heat corrosive materials all of the above none of the above
Answer
Brief Explanations:
Mobile ladders can be damaged by weather (e.g., rain can cause rust), heat (can warp materials), and corrosive materials (eat away at the ladder's structure). So they need protection from all these.
Answer:
D. All of the above