Jwalo ka karolo ya bohlokwa ya mechini ya ho fepa diphoofolo,selei sa lesaleLi-ring dies li bapala karolo ea bohlokoa tlhahisong ea lijo tsa boleng bo holimo. Li-ring dies li sebelisoa liindastering tsa pellet ho bopa le ho hatella thepa ea lijo hore e be li-pellet tsa boholo le sebopeho se itseng. E le ho netefatsa tlhahiso e tsitsitseng le e sebetsang hantle, ho bohlokoa ho sebelisa li-ring dies tsa boleng bo holimo, tse entsoeng ka thepa e tšoarellang 'me li entsoe ka litlhaloso tse nepahetseng.
Likarolo tsa rona tsa ho boloka bakeng sa mechini ea ho fepa liphoofolo li kenyelletsa mefuta e mengata ea li-ring dies, tse etselitsoeng ho fihlela litlhoko tse ikhethang tsa mefuta e fapaneng ea liphoofolo. Li-ring dies tsa rona li etsoa ka hloko ho sebelisoa theknoloji e tsoetseng pele le thepa ea boleng bo holimo, 'me li etselitsoe ho fana ka ts'ebetso e phahameng le ho tšoarella. Ka li-ring dies tsa rona, u ka hlahisa li-pellet tsa ho fepa ka boleng bo ikhethang le botsitso, ha u ntse u eketsa bokhoni le ho fokotsa litšila.
Kahoo ebang o batla ho ntlafatsa mechini ea hau ea tlhahiso ea lijo tsa liphoofolo kapa o hloka feela ho nkela likarolo tse tsofetseng sebaka, khetho ea rona ea li-ring dies tsa boleng bo holimo e tla khotsofatsa litlhoko tsa hau. Ka ho tsepamisa maikutlo ho boleng le ts'ebetso, lihlahisoa tsa rona kamehla ke khetho e nepahetseng bakeng sa tlhahiso e ntle ea lijo.