How to choose an auto-darkening welding helmet: shade ranges, sensitivity and delay, arc sensors, viewing area, power, cover lenses and powered-air (PAPR) helmets.
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How to choose safety glasses and goggles: lens tints, anti-fog and anti-scratch coatings, bifocal safety glasses and magnification strengths, and over-glasses styles.
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How to choose a MIG welder and welding wire: gas vs gasless, amperage and thickness, duty cycle, single vs three phase, and matching wire, gas and consumables.
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Inverter or open-frame? How to size a generator using rated and starting watts, plus what to check for clean power, fuel, run time, noise and safety.
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Portable tool box, tool chest, roller cabinet, ute box or ATV top box? How to choose tool storage by material, drawer load rating, locks and weather sealing, with a comparison...
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How to choose a socket set: 1/4, 3/8, 1/2 and 3/4in drive, 6-point vs 12-point, standard vs deep sockets, and why impact wrenches need impact sockets.
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How dial bore gauges, telescopic gauges and inside micrometers differ, what range and resolution mean, and how to set a bore gauge to a micrometer or ring.
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How to choose a micrometer or caliper in NZ: range, resolution vs accuracy, vernier vs dial vs digital, IP ratings for coolant, and how to look after them.
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How to choose a silver, aluminium or bronze brazing rod by base metal, silver content and flux, plus how brazing compares with soldering and welding.
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How to choose an air pressure regulator, filter-regulator or FRL for your compressor, and the right air hose material, bore, fittings and retractable hose reel.
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