Sebaka sa kopo le litlhoko tsa tekheniki tsa li-valve tsa seteishene sa motlakase (3)
Sebaka sa kopo le litlhoko tsa tekheniki tsa li-valve tsa seteishene sa motlakase (3) Valve ke karolo ea bohlokoa ea lisebelisoa tse kholo tse felletseng, haholo-holo tse sebelisetsoang ho khaola, ho thothomela, ho laola khatello le ho fetola tsela ea phallo ea seaplane (thepa, metsi, mouoane, ...
lintlha tsa pono