The thought was that gravel or loose material would help drain away water.
First, you need to scratch out every bit of loose material on the wall.
Much loose material is also now present on the climbs themselves.
Older adults need to be careful about wearing clothing with loose material that could catch on fire.
He felt himself fall, his legs sinking into deeper loose material beneath.
The vine was live, and only loose material is movable.
Many stopes have a lot of loose material on or around them.
She was covered with rope, chain, and whatever loose material lay at hand.
He packed some more loose material in the boxes and glanced at his watch.
It is why they consistently try to cut programs to deal with the loose nuclear materials.