revetments

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

"Raincoats give protection from rain."

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

"Don’t move that beam! It supports the whole platform."

"The bird's nest was a concrete example of how strong and carefully constructed things can be. "

"It is difficult to provide for my family working on minimum wage."

"The new road was built on a sturdy embankment, which prevented it from collapsing into the valley. "

"The school bus is a highway for getting students to school safely. "

"Asphalt, composed of oil and sand, is a widely used material for roads."

"The construction company armoured the bulldozer with steel plates to protect it from falling rocks. "

"Condoms are designed to protect against sexually-transmitted diseases."

"The heavy rainfall threatened to erode the riverbank, so they built a strong revetment of concrete blocks to protect it. "