Workshop Technology
A rip saw

Is a two man saw
Has a narrow blade with two wooden handles
Is used for cutting along the grains of wood
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 positive terminal and the electrode holder is earthed
Work is connected to the positive terminal and the electrode holder to the negative terminal
Work is connected to the negative terminal and the electrode holder to the positive terminal
Work is connected to the negative terminal and the electrode holder is earthed

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