machine wear mechanism
31Магнитно-абразивная обработка (зарубежные публикации) — Публикации по магнитно абразивной обработке (МАО) в зарубежных журналах (на английском языке): 2009 Effects of Horizontal Vibration Assistance on Surface Roughness in Magnetic Abrasive Finishing / Shao Hui Yin, Yu Wang, Han Huang, Yong Jian Zhu,… …
32Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
33Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
34MG42 — Infobox Weapon name= MG42 ( Maschinengewehr 42) caption=MG42 (top) origin=flagcountry|Nazi Germany type=Machine gun is ranged=yes service=1942–1959, variants to present used by= wars=World War II designer= design date=1942 manufacturer=Metall und …
35international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
36stage design — Aesthetic composition of a dramatic production as created by lighting, scenery, costumes, and sound. While elements such as painted screens and wheeled platforms were used in the Greek theatre of the 4th century BC, most innovations in stage… …
37Chip formation — The basic chip formation process. Chip formation is part of the process of cutting materials by mechanical means, using tools such as saws, lathes and milling cutters. An understanding of the theory and engineering of this formation is an… …
38Firearm — A firearm is a tool that projects either single or multiple projectiles at high velocity through a controlled explosion. The firing is achieved by the gases produced through rapid, confined burning of a propellant. This process of rapid burning… …
39Comptometer — Model ST (1930s) …
40Preselector gearbox — For other uses, see Preselector (disambiguation). Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic …
