Valve ea bolo ea khase ea tšepe e loketse litsamaiso tse fapaneng tsa liphaephe tsa khase, joalo ka liphaephe tsa khase, liphaephe tsa khase ea tlhaho, liphaephe tsa khase ea indasteri, jj. E na le litšobotsi tsa ho hanyetsa mafome, ho hanyetsa mocheso o phahameng, ho tiisa hantle le tse ling, 'me e sebelisoa haholo indastering ea peterole, indastering ea lik'hemik'hale, indastering ea tšepe, meriana le masimong a mang. Ha ho sebelisoa valve ea bolo ea khase ea tšepe, ho hlokahala ho netefatsa hore ho kenngoa ho nepahetse 'me tlhokomelo e etsoa khafetsa ho netefatsa ts'ebetso ea eona e tloaelehileng le ts'ebeliso e sireletsehileng.

Taba ea pele, sebopeho sa eona se senyenyane, se senyenyane ka boholo, se bonolo ho se kenya le ho se hlokomela. Taba ea bobeli, valve ea bolo e na le moralo o felletseng oa monyako o lumellang phallo ho phalla ntle le tšitiso, e fokotsa tahlehelo ea khatello le ho ntlafatsa katleho ea sistimi eohle. Taba ea boraro, e sebelisa moralo oa tšireletso ea mollo le thepa e ka mamellang mocheso o phahameng le tikoloho ea khatello e phahameng, e netefatsa polokeho ea sistimi. Ho feta moo, ts'ebetso ea ho koala ea li-valve tsa tšepe ea tšepe ea khase e ntle, e ka qoba ka katleho liketsahalo tsa khase ea ho lutla le ho lutla, le ho netefatsa ts'epo le polokeho ea ts'ebetso.

Ntle le likarolo le mesebetsi e boletsoeng ka holimo, valve ea bolo ea khase le eona e na le melemo e latelang. Ea pele, valve ea bolo e bonolo ho e sebelisa ebile e tenyetseha, e hloka feela ho potoloha ha likhato tse 90 ho ea ts'ebetsong ea ho fetola, 'me matrix ea ho koala e nyane, e theko e tlaase ebile e bonolo. Ea bobeli, bophelo ba Valve ea bolo bo bolelele, bophelo ba tšebeletso bo ka fihla ho likete tse mashome tsa lipotoloho tse bulehileng, ha ho bonolo ho li apara, e fokotsang makhetlo le litšenyehelo tsa ho nkela sebaka le tlhokomelo.

Ka bokhutšoanyane, valve ea bolo ea khase ke valve ea bohlokoa e sebelisoang haholo lits'ebetsong tsa phepelo ea khase. Moralo oa eona o moqotetsane oa sebopeho, khanyetso e phahameng ea mocheso o phahameng, ts'ebetso e ntle ea ho koala le ts'ebetso e bonolo li etsa hore e be karolo ea bohlokoa ea bohlokoa tsamaisong ea phepelo ea khase. Re ikemiselitse ho fa bareki ba rona lihlahisoa tsa Valve ea Ball ea khase ea boleng bo holimo, ho netefatsa ts'ebetso ea bona e sebetsang hantle le ts'epo libakeng tse fapaneng tsa ts'ebetso ho fihlela litlhoko tsa bareki bakeng sa polokeho le botsitso ba sistimi.