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![Shade numbers for TIG welding [14].](profile/Buenyamin-Cicek-2/publication/314281038/figure/tbl3/AS:614105274671134@1523425515882/Shade-numbers-for-TIG-welding-14.png)
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![Table 3 Shade numbers for TIG welding [14].](profile/Buenyamin-Cicek-2/publication/314281038/figure/tbl3/AS:614105274671134@1523425515882/Shade-numbers-for-TIG-welding-14_Q320.jpg)
TIG welding is a method often used for joining of light metals and high-alloy steels and it contains a number of risks as with other arc welding methods. If proper precautions are taken, safe working environment can be provided. Arc welding includes various hazards like dust, gas and smoke, compressed gas cylinders, harmful rays, high temperature a...
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... goggles alone is not recommended for arc rays as shown in Table 2. Welding helmets with filter lenses are intended to protect users from arc rays and from weld sparks and spatter which impinge directly against the helmet [11]. Table 3 shows which shade number related to arc current should be chosen according to AWS F2.2 [14]. Welder should start with a shade that is too dark to see the weld zone, then he can go to a lighter shade which gives sufficient view of the weld zone without going below the minimum. ...
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