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.
Water pushes against the dam, but the buttresses are inflexible and prevent the dam from falling over. Buttress or hollow gravity dams were originally built to retain water for irrigation or mining in areas of scarce or expensive resources but cheap labour.A buttress dam is a good choice in wide valleys where solid rock is rare.ater pushes against the dam, but the buttresses are inflexible and prevent the dam from falling over. Buttress or hollow gravity dams were originally built to retain water for irrigation or mining in areas of scarce or expensive resources but cheap labour.