Workshop Technology
In forehand welding, the weld is made

From right to left
First from left to right and then from right to left
From left to right
Either from left to right or from right to left

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Workshop Technology
The purpose of a gate is to

Act as a reservoir for the molten metal
Delivers molten metal from pouring basin to gate
Feed the molten metal to the casting in order to compensate for the shrinkage
Delivers molten metal into the mould cavity

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