stopcocks

"The old plumber worked with lead pipes in the school's plumbing system. "

"The dry-stone wall used a large, flat through to support the top stones. "

"The fence marks the boundary between the park and my neighbor's yard. "

"I turned the stopcock to shut off the water supply to the leaky faucet. "

"Please tighten that screw a quarter-turn."

"The teacher furthered the students' understanding of fractions by providing extra examples. "

"The school board regulates student behavior through a strict code of conduct. "

"The fire raged for hours because they were unable to reach the shutoff for the gas line."

"I brush my teeth regularly to prevent them from turning yellow."

"The plumber found a significant leakage in the old pipe, causing water damage in the basement. "

"The city issued a new municipal bond to fund the new school. "

"Important types of property include real property (land), personal property (other physical possessions), and intellectual property (rights over artistic creations, inventions, etc.)."