Question

test: articulated ladder safety
read each question carefully, select the best answer then click the next question button. after all questions have been answered, click the complete any incorrect answers. earning a score of 90% or greater will unlock your safety certificate.
question 16 / 20
in order to maximize the life span of an articulated ladder, one should:
select the best answer:
protect ladders from heat, weather and corrosive materials
clean ladder after each use
lubricate the ladders moving parts
all of the above
none of the above
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Explanation:

Protecting ladders from heat, weather, and corrosive materials helps prevent damage. Cleaning after each use removes dirt and debris that can cause wear. Lubricating moving - parts reduces friction and wear. All these actions contribute to maximizing the lifespan of an articulated ladder.

Answer:

All of the above