Workshop Technology
In forehand welding, the weld is made

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

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Workshop Technology
The purpose of a gate is to

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

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