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 flying buttress (arc-boutant, arch buttress) is a specific form of buttress composed of an arched structure that extends from the upper portion of a wall to a pier of great mass, in order to convey to the ground the lateral forces that push a wall outwards, which are forces that arise from vaulted ceilings of stone and from wind-loading on roofs.