a lumberyard and sawmill which provides roughsawn and finished pine, oak, and hemlock boards and timbers, as well as all the building materials needed for any project

There are many types of cowls and they serve several functions.• to keep the rain out of the chimney • to keep birds out of the chimney Test have shown that the effectiveness of cowls to increase the up-draught and to eliminate downdraft is very limited and unless the cause of the problem is known, the appropriate cowl cannot be selected.

Scoop like devices used to direct air into a boat.

The outside protective shell of a jet engine, traditionally made out of metal. Cowls mainly provide the engine with protection from the elements and with structural support.