Acetone. A liquid which is capable of absorbing twenty-five times its volume of acetylene gas under normal temperature and pressure. Employed as a solvent in the acetylene cylinder.
Acetylene. An inflammable gas used for welding and cutting.
Acetylene Cylinder. A steel tank filled with porous material and acetone, in which acetylene gas is stored.
Adapter. A brass fitting used to connect regulators to different cylinders.
Alignment. State of being in line.
Alloy. Metal which is added to another metal. A mixture of two or more entirely different metals.
Angle Iron. A steel bar, the cross-section of which forms an angle of 90 degrees.
Asbestos. A fibrous material not affected by fire. Usually supplied in sheets or shredded.
Autogenous Welding. The process of uniting two pieces of metal together by fusing without additional metal being added, and without the aid of hammering.
Babbitted. Lined with Babbitt metal. Generally found in bearings.