Also called Gothic, Tudor, parabolic, or semicircular arches, they are arches with a span of more than six feet with a rise-to-span ratio in excess of 0.15, having a load capacity of 1,000 pounds per foot.
Major diameter
The largest diameter of the threaded part of a threaded object.
Majority
The age at which one is no longer a minor and is fully able to conduct one's own affairs. Alternately, more than half.
Make-up air
Air that is added to a room from which air is being removed, such as by an exhaust fan where the intake of fresh air would be make-up air.
Make-up water
Water that replaces the water lost through evaporation or leakage, such as in a steam heating system.
Maker
Any person, company, or legal entity that signs a check or note to borrow money.
