During reconstruction or removal of a road surface, reclaimed asphalt pavement (RAP) is commonly obtained by milling or removing the. existing pavement. For this study, reclaimed asphalt pavement (RAP) is defined as all. asphalt road waste, large chunks or milled material, that has been size-reduced, making it. reusable as part of a new asphalt mixture. Reclaimed asphalt pavement has been successfully re-used and recycled for many.
Headset: The headset is the metal part of the stethoscope onto which the tubing is fitted. The headset is made up of the two eartubes, tension springs and the eartips. Chest Piece: The chest piece is the part of the stethoscope that is placed on the location where the user wants to hear sound. Most cardiology stethoscopes contain a tunable diaphragm on each side of the chest piece.
It is placed against the abdomen of a pregnant woman to listen to the heart sounds of the fetus. The fetal stethoscope is also known as a Pinard's stethoscope or a pinard, after French obstetrician Adolphe Pinard (1844â1934).