Ubhaka olula kakhulu futhi ongasindi, onomsebenzi oyisisekelo, kodwa oklanyelwe ukuba ube nesitayela, ukhululekile, ulungele ukusetshenziswa nsuku zonke, uhambo lokuya emsebenzini kanye nesikole sekholaji. Intengo yinhle, xhumana nathi ngesampula yamahhala

