Muaj kev phom sij loj heev hauv cov tsev tshiab uas tau hloov kho tshiab - muaj kuab paug thiab tsw ntxhiab. Cov tshuaj tsw qab pungent tshwm sim los ntawm kev kho kom zoo nkauj hauv tsev tshiab yog qhov nyuaj rau tshem tawm ib ntus. Txawm hais tias huab cua freshener koj siv ntau npaum li cas, qhov tsw yuav tseem thab koj qhov chaw ntiag tug ntev. Qhov teeb meem yog tias cov ntxhiab tsw no ib txwm ua rau muaj kev phom sij rau koj thiab koj tsev neeg.
Song Guangsheng, tus thawj coj ntawm Lub Chaw Saib Xyuas Ib Cheeb Tsam ntawm Tuam Tshoj Sab Hauv Tsev Kho Kom Zoo Nkauj, hais tias cov pa phem hauv tsev feem ntau muaj plaub yam qias neeg: formaldehyde, benzene, ammonia thiab radioactive tshuaj.
Tam sim no, ntau yam khoom vaj khoom tsev, nplaum nplaum, wallpapers, thiab lwm yam. Cov khoom tseem ceeb ntawm tag nrho-aluminium rooj tog yog aluminium alloy, uas zam cov ntxhiab tsw phem ntawm cov tsoos ntoo thiab cov khoom vaj khoom tsev.