Olu lushwankathelo olufutshane lwegumbi lokubonisa elitsha. Iimveliso eziphambili ezibonisiweyo ziquka izitshintshi zobushushu zomoya ukuya emoyeni, izicoci zomoya, ii-ventilators zokubuyisela ubushushu kwi-HRV, ii-ventilators zokubuyisela amandla kwi-ERV, iiyunithi zokubulala iintsholongwane emoyeni, iiyunithi zokuphatha umoya, njl. Sineentlobo ngeentlobo zeemveliso zesisombululo somoya kum...
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