Umbhobho oQinisekileyo ochanekileyo
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Ukuchaneka ngaphakathi nangaphandle ityhubhu ekhanyayo
Ukuchaneka ityhubhu eqaqambileyo luhlobo lwemathiriyeli yetyhubhu echanekileyo ephezulu emva kokugqiba umzobo okanye ukuqengqeleka okubandayo.Ngenxa yokuba akukho maleko oksijini kwiindonga zangaphakathi nangaphandle zetyhubhu echanekileyo ekhanyayo, akukho kuvuza phantsi koxinzelelo oluphezulu, ukuchaneka okuphezulu, ukugqiba okuphezulu, ukugoba okubandayo ngaphandle kokuguqulwa, ukuvutha, ukucaba ngaphandle kokuqhekeka njalo njalo, isetyenziselwa ikakhulu ukuveliswa kwezixhobo ze-pneumatic okanye i-hydraulic.