Manufacturing And Production Technology
A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen and is used for fusion welding of steel and cast iron, is

Neutral flame
Oxy-acetylene flame
Carburizing flame
Oxidizing flame

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Manufacturing And Production Technology
Glazing in grinding wheels can be decreased by

Using a harder wheel or by increasing the wheel speed
Using a softer wheel or by increasing the wheel speed
Using a harder wheel or by decreasing the wheel speed
Using a softer wheel or by decreasing the wheel speed

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