Bran is an English term which is described as an outer layer or seed coat of the wheatgrain ; also, commercially, a by-product of the milling process consisting of the larger pieces of bran remaining after the flour has been extracted from wheat.
Blower refers to a compressor that is designed to operate at lower pressures. Usually a blower is an air compressor that operates below 2 barg, although this figure depends upon the respective manufacturer.
Brake also called Wheelchair lock is a component of wheelchair whether manual or powered by a battery. They are available in several different designs, and can be mounted at various heights to maximize convenience to the user.