Umehluko omkhulu phakathi kwazo ukuthi ngaphezu kwamandla aphezulu, isici esivamile sama-rivets okwakheka ukuthi umongo wezipikili uvalelwe emzimbeni we-rivet ngemva kokugoba. Abantu abaningi bangase bacabange ukuthi umongo we-rivet wama-rivets avamile nawo ugcinwa emzimbeni we-rivet ngemva kokugoba, kodwa empeleni awukhululekile, futhi ama-rivets okwakheka anaka amandla okugcina umongo we-rivet.
Uhlobo lwe-hemlock ye-rivet eyimpumputhe yesakhiwo sensimbi
Isikhathi sokuthunyelwe: Okthoba-20-2021