The answer is C. Hope that helps
Option A) Very bright, relatively small
95% sure but not 100%
The principles of the theodolite are that a beam of light travels in a straight line, and that when you know the length of one side of a triangle and the angles of the corners as measured by reflecting beams of light then you can precisely map features on the ground both horizontally and vertically.
Struck by is one of the leading causes of construction-related deaths. Workers are most often struck by:
● Weighty equipment and vehicles like trucks and cranes;
<span>● Dropping or flying objects, like apparatuses and flying particles;</span>
<span>● Solid or masonry walls that are being created.</span>
<span>Owners must safeguard workers from being struck by automobiles and things on the job. There are ways to avoid or reduce injuries from these kinds of hazards. These are called control measures, and workers must guarantee that control measures are in place to ensure their safety.</span>