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Glassblower's cataracts are a form of cataract due to an occupational exposure. They are formed by many years or decades of exposure to infrared radiation while working in the occupation of glass blowing, or working close to hot or molten metals such with metal foundry workers [1] or blacksmiths.
Close-up of ballotini cane forming a part of a blown vessel. A simple single-thread cane can then be used to make more complex canes. A small bundle of single-thread canes can be heated until they fuse, or heated canes, laid parallel, can be picked up on the circumference of a hot cylinder of clear or colored glass.
A stage in the manufacture of a Bristol blue glass ship's decanter.The blowpipe is being held in the glassblower's left hand. The glass is glowing yellow. As a novel glass forming technique created in the middle of the 1st century BC, glassblowing exploited a working property of glass that was previously unknown to glassworkers; inflation, which is the expansion of a molten blob of glass by ...
Broadly, modern glass container factories are three-part operations: the "batch house", the "hot end", and the "cold end". The batch house handles the raw materials; the hot end handles the manufacture proper—the forehearth, forming machines, and annealing ovens; and the cold end handles the product-inspection and packaging equipment.
Scientific glassblowing is a specialty field of lampworking used in industry, science, art and design used in research and production. Scientific glassblowing has been used in chemical, pharmaceutical, electronic and physics research including Galileo's thermometer, Thomas Edison's light bulb, and vacuum tubes used in early radio, TV and computers.
However, in Local No. 106, Glass Bottle Blowers Association, AFL–CIO (Owens-Illinois, Inc.) and Local No. 245, Glass Bottle Blowers Association, AFL–CIO (Owens-Illinois, Inc.) 210 NLRB 943 (1974), the National Labor Relations Board ruled that gender-segregated locals violated the right of workers to elect representatives of their own ...
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glassybaby is a company based in Seattle, Washington that produces handmade glass votive candle holders, called glassybaby, which are sold online and at stores in the Seattle area and Oregon. The company plans to open a store in Montana as of 2023 [update] .
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