Ukuvula iMpilo yePag: Isikhokelo esibalulekileyo se-Volumetric incentive Spirometers

Izixhobo ezibalulekileyo kunyango lokuphefumla, eyenzelwe ukukhuthaza ukuphefumla okunzulu kunye nokuphucula umsebenzi wemiphunga. Ezi zixhobo ziluncedo ngakumbi kubantu abachachayo kutyando, abo baneemeko zokuphefumla ezingapheliyo, okanye nabani na ofuna ukuphucula impilo yabo yemiphunga. Ukuqonda oomatshini kunye nezibonelelo ze-volumtric incentive spirometer inokuthi i-