Disc brake pads come in different pad formulations, so you can tailor your braking experience to your driving style and your vehicle When it comes to performance, the clear winner is the brake pad, as part of the cooler-running disc brake system.
The term downdraft can also refer to a type of backdraft which occurs through chimneys which have fireplaces on the lowermost levels (such as basements) of multi-level buildings. It involves cold air coming down the chimney due to low air pressure, and makes it hard to light fires, and can push soot and carbon monoxide into domiciles.
wind Air current that moves rapidly parallel to the Earth's surface. (Air currents in vertical motion are called updraughts or downdraughts.) Wind direction is indicated by wind or weather vanes, wind speed by anemometers and wind force by the Beaufort wind scale. Steady winds in the tropics are called trade winds.