This type is mainly used in USA,Canada,Mexico and Japan.The ...
A dangerous condition in which contact or equipment failure ...
The plugs have three round pins arranged in a triangle, ...
A special type of equipment used to control and monitor oil ...
is an innovative gadget that generates electricity ...
A three phase connection where each phase is connected in ...
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بنود
معاجم
متابعين
25
4
47
3
2
1