Mokhoa o nepahetseng oa ho fetola metsi bakeng sa mochini o potolohang oa metsi oa liindasteri o pholisa mochini oa ho itšeha oa aluminium o latelang.:
1. Hlakola sekoaelo sa drainage ho tlohella metsi a potolohang ho tsoa ebe o se phurufaletsa ka thata;
2. Kenya metsi a hloekisitsoeng kapa metsi a hloekisitsoeng a hloekileng ho fihlela a fihla letšoao le letala la tekanyo ea metsi.
Mabapi le tlhahiso, S&A Teyu e tsetelitse thepa ea tlhahiso ea li-yuan tse fetang milione, ho netefatsa boleng ba letoto la lits'ebetso ho tloha ho likarolo tsa mantlha (condenser) ea chiller ea indasteri ho ea ho cheselletsa lakane ea tšepe; mabapi le thepa, S&A Teyu e thehile matlo a polokelo ea thepa metseng e meholo ea Chaena, e fokolitse tšenyo e khōlō ka lebaka la thepa ea nako e telele ea thepa, le ho ntlafatsa katleho ea lipalangoang; mabapi le tšebeletso ea ka mor'a thekiso, nako ea tiisetso ke lilemo tse peli.
