welding current
91Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ …
92Churchill tank — Tank, Infantry, Mk IV (A22) Tank, Infantry Mk IV Churchill IV (75mm) Type Infantry tank Place of origin …
93Plasma cutting — This article is about the common manufacturing process. For various fictional weapons, see plasma rifle and directed energy weapon. Plasma cutting is a process that is used to cut steel and other metals (or sometimes other materials) using a… …
94Rail profile — Rail from 1896 Cross sections of flat bottomed which can rest directly …
95radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
96Spark-gap transmitter — A spark gap transmitter is a device for generating radio frequency electromagnetic waves. These devices served as the transmitters for most wireless telegraphy systems for the first three decades of radio (1887 ndash;1916) and the first… …
97Electric arc furnace — An electric arc furnace (EAF) is a furnace that heats charged material by means of an electric arc. Arc furnaces range in size from small units of approximately one ton capacity (used in foundries for producing cast iron products) up to about 400 …
98Manganism — Classification and external resources Manganese ICD 10 T57.2 …
99Corrosion — v · d · e Materials failure modes Buckling · …
100Manufacturing engineering — is a field dealing with different manufacturing practices and the research and development of processes, machines and equipment. Contents 1 Overview 2 History 2.1 Modern developments 3 Education …
