Workshop Technology
A progressive limit gauge has

Separate 'Go' and 'Not go' members
'Go' member at one end and 'Not go' member at the other end
'Go' and 'Not go' member on the same side of the gauge
None of the listed here

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Workshop Technology
Spot welding is used for welding

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

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