Chav dej huv cov tais diav muaj formaldehyde. Tus formaldehyde hauv chav dej huv tais no feem ntau yog los ntawm cov hauv qab no:
Chav dej Xwm: Chav dej hauv chav dej siv siv cov khob kua nplaum thaum lub teeb nruab, thiab cov kua nplaum muaj formaldehyde.
Artifial zeb: lub pob zeb dag yuav tsum muaj kua nplaum thaum ntau lawm, thiab cov nyom no muaj formaldehyde.
Cov iav kua nplaum: Thaum txhim kho cov chav dej, tshuab ntxhua khaub ncaws, ntxhua khaub ncaws, thiab lwm yam hauv chav dej, cov kua nplaum siv, cov tshuaj nplaum iav uas muaj formaldehyde.
Cov txiag tseem ceeb: chav dej da dej, ntxhua khaub ncaws thiab lwm cov rooj tog thiab cov laug cam siv cov nplaum muaj formaldehyde thaum lub sijhawm tsim khoom.
Cov leeg ua kom zoo nkauj: cov neeg ua kom zoo nkauj muaj cov tshuaj sib xws xws li epoxy cob thiab tus neeg sawv cev, uas tseem yuav muaj formaldehyde.
