planetary reduction gear
51Impact wrench — An impact wrench (also known as an air wrench, air gun, rattle gun, torque gun) is a socket wrench power tool designed to deliver high torque output with minimal exertion by the user, by storing energy in a rotating mass, then delivering it… …
52printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …
53Pistonless rotary engine — This article is about internal combustion engines that do not use conventional pistons. See also rotary engine (disambiguation) for other uses of this term, and rotary engine for the World War I aircraft engines by that name. A pistonless rotary… …
54Concrete mixer — This portable concrete/mortar mixer has wheels and a towing tongue so that it can be towed by a motor vehicle and moved around the worksite by hand, and its rotation is powered by mains electricity. The lever allows the concrete/mortar to be… …
55Survivalism — For other uses, see Survivalism (disambiguation). Survivalism is a movement of individuals or groups (called survivalists or sometimes preppers) who are actively preparing for future possible disruptions in local, regional, national, or… …
56Monster truck — A monster truck is a pickup truck, typically styled after pickup trucks bodies, modified or purposely built with extremely large wheels and suspension. They are used for competition and popular sports entertainment and in some cases they are… …
57Mercedes-Benz R230 — Fifth generation Manufacturer Mercedes Benz Production Bremen, Germany …
58Moog Inc — This article is about the aircraft part maker. For the synthesizer maker, see Moog Music. Moog Incorporated Type Public (NYSE: MOGA, NYSE:  …
59Chevrolet Volt — Manufacturer Chevrolet division of General Motors Also called Holden Volt Opel Ampera Vauxhall Ampera …
60Object 279 — Object 279, Kubinka tank museum (2008) Type Heavy tank Place of origin …
