Question

question 11/25
mobile ladders must be protected from
select the best answer:
○ heat
○ corrosive materials
○ weather
○ all of the above
○ none of the above
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Explanation:

Mobile ladders are susceptible to damage from heat (material degradation), corrosive materials (chemical erosion), and weather (environmental factors like moisture/sunlight). All listed factors necessitate protection.

Answer:

D. All of the above