Tus yuam sij rau peb txoj kev vam meej yog "cov khoom lag luam zoo zoo, tsim nyog tus nqi thiab kev pabcuam tsim nyog" rau GF membrane,Cua Camptridge Lim,0.1 ur membrane lim,CODE 7 PLE FEATED lim,0.22 μm cua lim 20 "Cov. Peb zoo siab tos txais cov neeg muas zaub thoob plaws lo lus hu rau peb rau kev sib raug zoo yav tom ntej. Peb cov khoom yog qhov zoo tshaj plaws. Thaum xaiv, zoo meej ib si! Cov khoom yuav muab rau thoob plaws ntiaj teb, xws li Tebchaws Europe, Mauria, Stuttay.Cov muaj ntau xyoo, peb tau muaj ntau yam zoo, ua tau zoo siab, kev sib koom ua keual. Peb cia siab, nrog lub siab dawb siab thiab zoo yuav, kom muaj lub meej mom los pab nrog koj cov kev lag luam ntxiv.