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Kurapa Kwekurapa Yakakwira mhando inogona kuraswa Heat uye Mhute Exchange firita HMEF
Disposable kufema system firita (HMEF) inoshandiswa muanogadzira mweya uye varwere ve laryngectomy kupisa uye kunyorovesa mweya uye kubatsira kudzivirira matambudziko. izvo zvinomuka apo varwere vanorasikirwa
kugona kufema nemumhino uye nepamhepo nzira. Inobata kupisa uye hunyoro pakupera uye kuidzorera kumurwere mukufemerwa.