roadbed

"The construction workers compacted the dirt before pouring the concrete foundation. "

"We prepared the spacecraft for takeoff."

"The road crew used asphalt to repair the cracked pavement. "

"I will purchase the vacation package if you will include car rental."

"The factory workers assembled the cars all day. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The train derailed because heavy rain had weakened the trackbed. "

"The construction crew spread gravel on the new road section to improve its surface. "

"There is one sterling and here is another"

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

"Inspect the system for leaks."

"The foundation of his institute has been wrought with difficulty."