单选题When checking the liquid level in a tank, you should position yourself （）.Aon the windward side of the openingBon the leeward side of the openingCat a right angle to the wind directionDso that the obstruction of your body will protect you from the fumes
单选题
When checking the liquid level in a tank, you should position yourself （）.
A
on the windward side of the opening
B
on the leeward side of the opening
C
at a right angle to the wind direction
D
so that the obstruction of your body will protect you from the fumes
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