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This document specifies requirements for classification of solid wire electrodes, tubular cored electrodes, and electrode-flux combinations (the all-weld metal deposits) in the as-welded condition and in the post-weld heat-treated condition for submerged arc welding of high strength steels with a minimum yield strength greater than 500 MPa or a minimum tensile strength greater than 570 MPa. One…
Light and lighting — Lighting of work places — Part 1: Indoor
This document specifies lighting requirements for humans in indoor work places, which meet the needs for visual comfort, performance and safety of people having normal, or corrected to normal visual capacity and response to light.
This document specifies requirements for lighting solutions for typical indoor work places and their associated areas in terms of quantity and quality of illumination.…
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