Stud bolt ke eng?
Bophelong, hangata ho boleloa liboutu, li-screws, screws, joalo-joalo. Phapano ke efe pakeng tsa tsona? Haele hantle, polelo e tloaelehileng ke hore ha ho na li-screw le linate. Li-Screw li tsejoa ka tloaelo, 'me ba nang le likhoele tse ka ntle ba ka bitsoa "li-screw". Sebopeho sa t...
lintlha tsa pono