Mona ho na le litaba tse ngata tse phethang karolo ea ho tšelisa opereishene ea welding, ho kenyelletsa mocheso o hlahisoang ke ts'ebetso ea welding, ho pheta-pheta, 'me ka linako tse ling, lisebelisoa tse boima. Liphephetso tsena li ka ba le mathata, tse bakang mahlaba, mokhathala le khatello ea maikutlo 'meleng le kelellong ...
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