Warshada daawaynta bulaacada Xiaolan ee magaalada Zhongshan, Guangdong waxay qabataa horumarsan "composting heerkulka sare + kaarboonaynta heerkulka hooseeya" tignoolajiyada daaweynta wasakhda, taas oo si weyn u wanaajisa deegaanka biyaha ee ku hareeraysan waxayna door aad u muhiim ah ka ciyaartaa xakamaynta wasakhowga biyaha, ilaalinta tayada biyaha iyo dheelitirka deegaanka ee barkada deegaanka.
Waqtigan xaadirka ah, cabbirada heerka ultrasonic ee shirkadeena iyo mitirada dareeraha ultrasonic ayaa loo isticmaalaa daaweynta bulaacada goobta. Ka dib muddada tijaabada iyo isticmaalka, jawaab celinta macaamiishu waa wanaagsan tahay.
