Ushauri wa injinia

MK254

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Injinia aliulizwa kuna tofauti gani ya kiufundi kati ya welding (kuchomelea) na wedding (harusi)??
Akajibu.
sio kubwa zote ni viungo(joint) ila katika welding kuna cheche kwanza halafu ndo inaungana milele wakati katika wedding inaungana kwanza halafu cheche milele.
 
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