A special type of equipment used to control and monitor oil ...
A three phase, four-wire electrical configuration where ...
The plugs have three round pins arranged in a triangle, ...
The NEMA 5-15 plug has two flat parallel blades like NEMA ...
A dangerous condition in which contact or equipment failure ...
is an innovative gadget that generates electricity ...
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بنود
معاجم
7
متابعين
64
6
107
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23
51
11
4