Uhlaka lokuhambisa luyingxenye ebalulekile yanoma yiluphi uhlelo lokuhambisa, olunikeza ukwesekwa kwesakhiwo nokuzinza okudingekayo ekuthuthweni kwezinto ezisebenzayo nezisebenzayo. Lezi zifreyimu zivame ukwenziwa ngezinto ezihlala isikhathi eside njengensimbi noma i-aluminium, futhi kungakwenziwa ngokwezifiso ukuhambisana nezidingo ezithile zohlelo oluthile. Umsebenzi oyisisekelo wohlaka lokuhambisa ukubamba izinto ezahlukahlukene