B&S
1. On drawings, abbr. for beams and stringers 2. On drawings, abbr. for bell and spigot 3. On drawings, abbr. […]
A survey traverse in which the direction of the measured course is determined by azimuth and verified by back azimuth;
A form of orthographic projection in which a rectangular object, projected on a plane, shows three faces. One of two
A carpet having pile which is attached to the carpet backing by inserting the tufts by rows between the warp
A reinforcing bar fabricated from carbon-steel axles of railroad cars.