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.
Eartip: The eartips of a stethoscope fit into your ears. A good stethoscope will have eartips that offer comfort, seal and durability. Eartube: The eartube is the part to which the eartips are attached. Tunable Diaphragm: A traditional stethoscope consists of a bell and diaphraghm. The bell is used for light skin contact to hear low frequency sounds and the diaphragm is used with firm skin contact to hear high frequency sounds. Stem: The stemp connects the stethoscope tubing to the chestpiece. Tubing: All stethoscopes sold on myStethoscope.com do not contain latex. 3M Littmann stethoscope.