Air draft is the measurement from the water surface to the highest point of a a ship, boat or other vessel on the water.æ It is used to help the captains calculate a safe passage under bridges and the like.
Rising and sinking air is called up draft and down draft, respectively.
air in the booth enters from the ceiling and exits thru the floor ( the draft is moving down in a side draft booth air would exit thru the walls
A current of cool air is called a draft.
the warm is the fire
Draft
Heat
Air movement caused by heat.
1963
They are both a draft.
natural draft depends on:ambient air conditionsconditions of the leaving gaschimney height
Draft
draft