Poona chithandizo cha sludge ndi kukhazikitsa muyezo wotayira, ndondomeko yokhwima ndi zochitika zogwiritsira ntchito zida, ndondomeko yotaya matope ndi nkhani zina zomwe zimayankhidwa ndi kusinthana, panthawi imodzimodziyo kuti magulu okhudzidwa apititse patsogolo chithandizo cha sludge ndi kutaya komanso kugwiritsa ntchito mokwanira zamakono zatsopano. , njira yatsopano, nsanja yatsopano ya zida.
Nthawi yotumiza: Jun-16-2019