Ayikho i-solder yangaphakathi edibeneyo kuyo yonke ipayipi yangaphakathi ekhuselekileyo yokuqinisekisa ukusebenza okuzinzile kwexesha elide lenkqubo.Akukho ndawo eyimfama yokuhamba kwamanzi kumjelo kwicala lamanzi, isantya sokuhamba komjelo wamanzi siyafana, kwaye akulula ukukhenkceza kwindawo.