Mechini e tjhesang metsi e phodisang khoutu ya QR ya UV e sebedisa metsi a hlwekileng kapa metsi a hlwekileng a hlwekileng e le metsi a potolohang. Ho kgothaletswa ho fetola metsi a potolohang dikgwedi tse ding le tse ding tse 3. Ha o fetola metsi a potolohang, basebedisi ba hloka ho ntsha metsi a potolohang a pele pele ebe ba tlatsa a matjha ho fihlela a fihla boemong bo botala ba tanka ya metsi.
Mabapi le tlhahiso, S&A Teyu e tsetetse lisebelisoa tsa tlhahiso tsa li-yuan tse fetang milione e le 'ngoe, e netefatsa boleng ba letoto la lits'ebetso ho tloha likarolong tsa mantlha (condenser) tsa chiller ea indasteri ho ea ho welding ea tšepe ea lakane; mabapi le thepa, S&A Teyu e thehile matlo a polokelo ea thepa metseng e meholo ea Chaena, e fokolitse haholo tšenyo e bakoang ke thepa e tsamaeang sebaka se selelele, le ho ntlafatsa ts'ebetso ea lipalangoang; mabapi le tšebeletso ea kamora thekiso, nako ea tiisetso ke lilemo tse peli.
