Answer:
a. Barricade the area or position a worker in front of the ladder.
Explanation:
When one is using a ladder which has to be placed against the building on the sidewalk, the precaution used must be (from the four options) :-
<u>a. Barricade the area or position a worker in front of the ladder.</u>
This is because the area in which the worker is putting the latter is the prone are where the worker or the ladder might hit the pedestrian or any thing which can cause harm to the nature and mankind and that's why, the area must be blocked or defended with an improvised barrier.
It is known as the Ballot initiative. The ballot initiative is a method by which a request of marked by a specific least number of enrolled voters can achieve an open vote on a proposed statute or protected revision.
<span>Ballot initiative may appear as either the immediate or backhanded activity. Under the immediate action, a measure is put specifically to a vote subsequent to being put together by an appeal.</span>
Water has a higher heat capacity than soil and rock, so the ocean takes much longer to heat and to cool than the land. Coastal areas will generally have more moderate temperatures than inland areas because of the heat capacity of the ocean.
Ergs are s<span>mall furry mammals that inhabit rocky plateaus and gravel plains.</span>