Lub tshuab yog siv los tsim WPC kho kom zoo nkauj cov khoom, uas yog dav siv nyob rau hauv lub tsev thiab pej xeem kho kom zoo nkauj teb, nta tsis muaj kuab paug, ntev kev pab cuam lub neej, tshav kub rwb thaiv tsev, tiv thaiv hluav taws, yooj yim ntxuav thiab tu, hloov tau yooj yim thiab recycleable.