13:41 May 22, 2020 |
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German to English translations [PRO] Tech/Engineering - Safety | |||||
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Summary of answers provided | ||||
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3 | quartz bulb defects (craks, spalls, etc.) |
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Discussion entries: 5 | |
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quartz bulb defects (craks, spalls, etc.) Explanation: LIST OF DEFECTS IN GLASS : CRUSH / A lightly pitted area resulting in a dull grey appearance over the region. DIGS / Deep, short scratches. : FIRE CRACKS / Small cracks penetrating the surface of the glass usually in the shape of short hooked crescents. : OPEN GASEOUS INCLUSIONS / Bubbles at the sur-face of glass that are open, leaving a cavity in the finished surface : SCRATCHES / Any marking or tearing of the surface appearing as though it had been done by either a sharp or rough instrument. : https://www.multiver.ca/doc/nosproduits/MULTIVER-Defauts_Ver... Spall are flakes of a material that are broken off a larger solid body and can be produced by a variety of mechanisms, including as a result of projectile impact, corrosion, weathering, cavitation, or excessive rolling pressure (as in a ball bearing). Spalling and spallation both describe the process of surface failure in which spall is shed. https://en.wikipedia.org/wiki/Spall Crack frequently refers to: • Crack, a fracture or discontinuation in a body • Crack, in geology, a fracture (geology) in a rock https://en.wikipedia.org/wiki/Crack -------------------------------------------------- Note added at 19 days (2020-06-11 11:19:38 GMT) -------------------------------------------------- Other defects like scratches or scuffs: Im a beginner ,my ordered HPS bulb is a little bit scratched in couple places at the top of the outer glass. : I've seen small scuffs and scratches on a lot of bulbs over the years. Should be fine. https://www.thcfarmer.com/threads/scratched-outer-glass-hps-... |
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