Cov kws tshawb fawb Canadian tau koom tes nrog cov khoom lag luam sab nraum zoov Arc'teryx los tsim cov roj fluorine-dawb textile siv cov txheej txheem tshiab uas ua ke cov ntaub siv nrog PFC-dawb nto-raws li coatings.Yav dhau los, sab nraum zoov fabrics feem ntau tau kho nrog perfluorinated compounds los tiv thaiv. roj-raws li stains tab sis los ntawm cov khoom tau pom muaj bio-persistent thiab txaus ntshai thaum rov raug dua.