Qhov loj ntawm lub extruder txawv nyob ntawm seb nws hom thiab lub hom phiaj. Tsev- siv extruders feem ntau nyob hauv thaj chaw me me, kwv yees li 0.5-1 square metres, haum rau chav ua noj lossis chaw ua haujlwm me me. Kev lag luam extruders loj dua, feem ntau 1-3 square metres lossis ntau dua, kom ua tau raws li qhov xav tau ntau dua. Extruders rau kev muag khoom yuav tsum sib npaug ntawm kev txav mus los thiab kev ua haujlwm ntau lawm, feem ntau yog li ntawm 0.8-1.5 square meters. Thaum xaiv ib qho extruder, xav txog kev siv, kev tsim khoom, thiab kev ua haujlwm ntawm lub tshuab kom ntseeg tau tias nws ua tau raws li koj xav tau tiag tiag.