electrical sheet
61Sustainable energy — Renewable energy …
62Paper — For other uses, see Paper (disambiguation). A stack of copy paper Paper is a thin material mainly used for wr …
63List of trade unions — This is a list of trade unions and union federations by country. TOCnestrightInternational FederationsGlobal* General Confederation of Trade Unions * International Confederation of Free Trade Unions (Web page: [http://www.icftu.org ICFTU] ) *… …
64nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …
65Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… …
66Eddy current — This article is about the electrical phenomenon. For the Ted McKeever comic, see Eddy Current (comics). Electromagnetism …
67Opto-isolator — This article is about the electronic component. For the optical component, see optical isolator. Schematic diagram of an opto isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on… …
68Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …
69Residual-current device — A two pole residual current device A Residual Current Device is a generic term covering both RCCBs and RCBOs. A Residual Current Circuit Breaker (RCCB) is an electrical wiring device that disconnects a circuit whenever it detects that the… …
70analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …
