He is likely to take measurements because setting up electrical wiring, installing power lines, and repairing equipment all consist in another job.
The second choice would be correct (B) because compare means to find similarities and a contrast/to contrast something means to focus on their difference by definition. Hope this helped :)
Problematic according to most reviews, and unrealistic, but i think its cool
Readers use them to identify main ideas at a glance
Point of view is the correct answer