What does OAL stand for?

Optically Active Ligand

OEM (Original Equipment Manufacturer) Adaptation Layer

Cacoal, Cacoal, Brazil

ODF Access Layer

Overall Lowered Height

This term is frequently used in conjunction with the word "mast." When the mast is entirely lowered, the overall decreased height is the height at the top of the mast. The measurements are measured from the ground up to the mast's top.