Answer: they are used to measure and keep things precise during constuction
Explanation: because if you watch videos and look up info and research it tells you about their jobs and what they use for their jobs
Purchase products made from recycled material
Recycle used Products
and
Walk instead of drive
Driving releases pollutants in the air and when we use gas and oil we are using lots of our natural resources and cutting them down day by day.
A characteristic classified as a special impact