alidade

"The surveyor used special equipment to measure the boundaries of the new school property. "

"The building of the bridge will be completed in a couple of weeks."

"Why do my relatives always talk about sex?"

"The teacher determined the rules for the classroom project, setting clear limits on the length of presentations. "

"The table's smooth plane allowed the children to easily slide their toys across it. "

"the angle between lines A and B"

"There are a number of household devices in a kitchen such as a dishwasher, a garbage disposal, or an electric can opener."

"The current of air coming from the open window is making the papers on my desk flutter. "

"The music from the party was distant, but I could still hear a few notes. "

"We measured the temperature with a thermometer.   You should measure the angle with a spirit level."

"I am sighting a bird. "

"The location of the school library is on the second floor. "