Isiqu Sokuvikela Isiqu kanye Nophawu Oluyisisekelo Lwesiqu
Ihlombe le-stem liyingxenye ebalulekile ye-stem, egcinwa ngaphakathi ukuze kuvinjelwe ukuqhunyiswa kwe-stem emgodini womzimba.I-Stem seal eyinhloko ivimbela ukuvuza emkhathini, futhi isebenza njengokuthwala ithoshi ephansi.
Iqondile, Ibhola Elibushelelezi
I-Sphericity yebhola nokuqedwa kwendawo yizici ezibalulekile empilweni ye-valve, amandla okubamba ingcindezi, netorque yokusebenza.