Sethibela-sehatsetsi se ka sebetsa e le mochini o potolohang metsi o futhumatsang mochini o kobehang, haholo-holo mariha. Leha ho le jwalo, sethibela-sehatsetsi sea bola 'me se hloka ho eketsoa ho latela metsi a hloekisitsoeng. Ha boemo ba leholimo bo futhumala, mosebelisi o hloka ho nkela metsi a pele sebaka ka a macha (metsi a hloekisitsoeng kapa metsi a hloekileng a hloekisitsoeng).
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.
