drab:
Whosis has been around, and has made provisions to circumvent any wanton slaughter of his perfectly good name. Whosis has a card. The card comes in to you.
Furthermore, the military operator is far less conscious of budgetary constraints than is the civilian consumer.
In uphand welding, the previously deposited metal is used as a step to hold up the molten metal, making possible a heavier deposit. Slag flows away from the molten pool and is less likely to be trapped in the metal during uphand welding.
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