Workshop Technology
A rip saw

Is used for cutting along the grains of wood
Has a narrow blade with two wooden handles
Is a two man saw
All of these

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Workshop Technology
The welding set up is said to have straight polarity, when

Work is connected to the negative terminal and the electrode holder is earthed
Work is connected to the negative terminal and the electrode holder to the positive terminal
Work is connected to the positive terminal and the electrode holder is earthed
Work is connected to the positive terminal and the electrode holder to the negative terminal

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