Artillery shelling using explosive projectiles.

Binding mixture for masonry construction.

Binding mixture of lime, sand.

Graduation cap with flat top.

Layer for setting tiles, bricks.

Portable artillery for lobbing bombs.

Bowl for grinding, mixing substances.

A bedrock mortar is an anthropogenic circular depression in a rock outcrop or naturally occurring slab, used by people in the past for grinding of grain, acorns or other food products.

Physical buildings for business operations.