How to replace brake pads. Experts say itâs hard to determine how often brake pads should be replaced, because they can wear out faster or slower based on how you drive the car, the weight of the vehicle, road conditions and driving frequency, Gregory says. He recommends having them checked at every oil change.
buttress (plural buttresses) ( 1 architecture) A brick or stone structure built against another structure to support it. 2  Anything that serves to support something; a prop. ( 3 botany) A buttress-root. ( 4 climbing) A feature jutting prominently out from a mountain or rock; a crag, a bluff.
The defining, functional characteristic of a flying buttress is that it is not in contact with the wall it supports, like a traditional buttress, and so transmits the lateral forces across the span of intervening space between the wall and the pier.