Glulam

A beam that is made from stacking structural select lumber and gluing it together. It makes a very attractive board that out performs steel in a fire

IMHO

In My Humble Opinion. Everyone has one, this one is mine.

FFN

Forever For Now, a reference to that the solution is the best we have until we have something better.

Rube Goldberg

An American cartoonist best known for his cartoons depicting complicated contraptions that do simple things.

FMA

Finish Material Allowance. A way of using allowances to save the spot when actual materials have not been selected yet.