Workshop Technology
Thermit welding is often used in

All of these
Joining rails, truck frames and locomotive frames etc.
Repairing broken shears
Replacing broken gear teeth

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Workshop Technology
Spot welding is used for welding

Butt joints in plates having thickness above 3 mm
Butt joints in plates having 0.025 mm to 1.25 mm thickness
Lap joints in plates having 0.025 mm to 1.25 mm thickness
Lap joints in plates having thickness above 3 mm

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