Process of arc welding with alternating current and with oscillation of the arc during at least each fifth positive pulsed current phase by one or more external magnetic fields
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Method for built-up welding and/or build-up brazing
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Method for the electric arc welding of workpieces comprises deviating the electric arc in the welding direction using a first magnetic field and deviating the arc across the welding direction using a second magnetic field
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Arc joining process with alternating current
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MIG or MAG welding or soldering method uses external magnetic field to rotate arc, consumable electrode being used as anode
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Balloon valve
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Liquid level display for e.g. compressed gas cylinder, has indicator unit connected with gas cylinder`s interior, where unit generates optical signal when pressure value within cylinder exceeds or falls below specified value
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Method and device for blasting with blasting medium
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A fully transportable neutralising unit to treat alkaline waste water, esp.
