QUES: In these conditions all dark surfaces reach temperatures above freezing causing water to drip off vehicles and equipment a really sticky experience

correct the punctuation.

CORRECTED: In these conditions, all dark surfaces reach temperatures above freezing causing water to drip off vehicles and equipment - a really sticky experience.

QUES: Using the level make a straight line on the wall where you want the bottom of the fixture to be and another at the top

correct the punctuation.

CORRECTED: Using the level, make a straight line on the wall where you want the bottom of the fixture to be, and another at the top.

QUES: But that name has probably nothing to do with normal mosquitoes as no such live on Mykines

correct the punctuation.

CORRECTED:
But that name has probably nothing to do with "normal" mosquitoes, as no such live on Mykines.