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Test # 42


1.
He has been working here ________ three years now.

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Grammar Examination
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Word of the Day


Idiom of the Day

a case in point
an example that proves something or helps to make something clear
What our boss said is a case in point about what I have also been saying.

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  • Precautions while using Power Supply

    Do not exceed the input voltage range

    The power supplys input voltage range must be 24 VDC ?10%. Do not use a power supply with excessive voltage or high ripple voltage. When using anything other than a commercially produced DC power supply unit consisting of a transformer, diodes and condenser, make sure that the power supply waveform is flat in addition to testing the power supply in order to avoid failure.


    Chourishi Systems