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Millermatic — is a type of MIG welding system that was invented by Miller Electric, a leading worldwide manufacturer of arc welding equipment, a subsidiary of Illinois Tool Works. MIG welding MIG welding is considered the easiest welding process to learn. The… … Wikipedia
Sweat fitting — is a means of joining copper tubing, using solder as a filler metal. Sweat connections are rapid to create, and offer a high degree of reliability. Until the mid 20th century, solder contained lead. Due to its toxicity even in trace amounts, now… … Wikipedia
Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… … Wikipedia
Tire manufacturing — Pneumatic tires are manufactured according to relatively standardized processes and machinery, in around 450 tire factories in the world. Over 1 billion tires are manufactured annually, making the tire industry the majority consumer of natural… … Wikipedia

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