soldering operation
61Diamond tool — A close up of the segment of a diamond saw blade A diamond tool is a cutting tool with diamond grains fixed on the functional parts of the tool via a bonding material or another method.[1] As diamond is a superhard material, diamond tools have… …
62Konica Autoreflex — The Auto Reflex and Autoreflex is a series of 35mm SLR cameras made by Konica from 1965. All these models have the Konica AR bayonet. Konica Auto Reflex, Autorex and Revue Auto Reflex The Konica Auto Reflex of 1965 was the world s first… …
63lead processing — Introduction preparation of the ore for use in various products. Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… …
64Welding — is a fabrication process that joins materials, usually metals or thermoplastics, by causing coalescence. This is often done by melting the workpieces and adding a filler material to form a pool of molten material (the weld puddle ) that cools to… …
65Sumlock ANITA calculator — The ANITA Mark VII and ANITA Mark VIII calculators were launched simultaneously in late 1961 as the world s first all electronic desktop calculators. Designed and built by the Bell Punch Co. in Britain, and marketed through its Sumlock… …
66C. G. Conn — C.G.Conn Ltd trademark on the exterior of a saxophone case dating from 1922 C.G. Conn Ltd., sometimes called Conn Instruments or commonly just Conn, was a United States manufacturer of musical instruments, especially brass instruments. In 1985… …
67Punch press — A punch press is a type of machine press used to cut holes in material. It can be small and manually operated and hold one simple die set, or be very large, CNC operated, with a multi station turret and hold a much larger and complex die set.… …
68Vintage amateur radio — is a subset of the amateur radio hobby, considered a form of nostalgia much like antique car collecting, where enthusiasts collect, restore, preserve, build, and operate amateur radio equipment from bygone years, most notably those using vacuum… …
69In-circuit test — (ICT) is an example of white box testing where an electrical probe tests a populated printed circuit board (PCB), checking for shorts, opens, resistance, capacitance, and other basic quantities which will show whether the assembly was correctly… …
70Body piercing — For other uses, see Piercing (disambiguation). Nipple piercings, vertical labret piercing and stretched ears Body piercing, a form of body modification, is the practice of puncturing or cutting a part of the human body, creating an opening in… …
