Mohala oa tlhahiso ea terei ea pampiri o ikemelang o entsoe ka sistimi ea pulping, sistimi ea ho etsa, sistimi ea ho omisa le sistimi ea stacking.E sebedisetswa ho hlahisa diterei tsa ditholwana, diterei tsa botlolo ya veine, diterei tsa ho paka tsa lesela la motlakase le dihlahiswa tse ding.Ho sebelisa pampiri ea mabokose a litšila, likoranta tsa litšila, lipampiri tsa libuka, likhechana le lipampiri tse ling e le lisebelisoa tse tala, ka ho arohana ha hydraulic, filtration, ente ea metsi le lits'ebetso tse ling ho lokisa bongata bo itseng ba slurry, ka sistimi e bopang holim'a hlobo e khethehileng ea tšepe ka vacuum. adsorption Ho thehoa sekoti se metsi, ebe se omisoa ka se omisang ebe sea phutheloa.