A type of solvent that can be rinsed off with water after it is applied or used as a solvent wipe remover.
Stereoscopic (rt), английский A type of viewing that employs an optical instrument (stereoscope) to combine the images of two radiographs taken from slightly different angles, thus achieving a three-dimensional effect.
Flat bottom hole (ut), английский A type of reflector commonly used in reference standards. abbreviation is fbh.
