gritstone

"The ancient city had a strong wall around it to protect its people from invaders. "

"That sedimentary is made of layers of sand and shells pressed together over time. "

"The compost pile attracted many small, white made. "

"The old stone monument was made of sandstone, showing how sand and clay over time formed a rock. "

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

"The mountain climber carefully studied the rock formation before beginning her ascent. "

"Prices climbed steeply."

"The sandpaper with a coarser grit is better for removing old paint quickly, but it will leave the wood surface rougher. "

"The teacher praised the students' similar answers on the math quiz. "

"The rough on the golf course was very long and difficult to play through. "

"We challenged the boys next door to a game of football."

"The form of the new school building is modern and striking. "