RFUNT ea RFUNT (e phahamisitsoeng ea sefahleho sa Weld flanges) ke e 'ngoe ea li-flang tse sebelisoang haholo indastering ea plumbust. Hub ea bona e telele e tiisitsoeng e tsamaisana le botenya ba lebota (lesoba) la phala mme ho bonolo ho e tseba.
Merero ea indasteri, litsamaiso tsa pompoline, hangata re hloka ho fetola tataiso ea phetisetso; laola phallo ea maro (oli le khase, metsi, seretse); Ho buloa kapa ho koala lipipiline, jj. Kahoo, ho phetha mesebetsi ena, ho tla sebelisoa literompeta tsa tšepe.