Thepa ea merafo ea mashala e kenyelletsa mefuta e mengata ea lisebelisoa, ka tsa meepo e felletseng e batlang e le bonolo ho e etsa. Sena se kenyelletsa lintho tse kang mabanta a mabanta, li-valve, lisebelisoa tsa ho fokotsa lerole, hara tse ding, le ho fetela ho tlhahiso ea lihlahisoa tsa ts'ireletso ea basebetsi.
Mabapi le mecha ea ho reka thepa, lipatlisiso tsa marang-rang tse shebaneng haholo le litheko lia khothaletsoa. Ho finyella litlhoko tse khethehileng tsa morafo ho bohlokoa. Ho feta moo, ho etsa liphuputso sebakeng sa marang-rang libakeng tsa merafo ho bohlokoa ho fumana hore na ketso e nepahetseng ke efe e ipapisitseng le maemo a nnete a lefats'e..