cobblestones

"The ship used heavy stones as ballast to keep it stable in the water. "

"The old stone wall around the park was very tall. "

"The class squirmed and fidgeted in the uncomfortable new chairs."

"Occasionally rivers overflow their banks and cause floods."

"The carpenter rounded the edges of the table."

"He charmed her with his dashing tales of his days as a sailor."

"The workers are paving the driveway with new stones. "

"The intricate making of the model airplane showcased the student's skill. "

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

"the narrows of New York harbor"

"The cargo ships sailed into the harbor, carrying containers filled with goods. "

"Walk down the street until you see a hotel on the right."