Zida zambiri zonyamula zakumwa zomwe zili pamsika pano ndizovuta kukwaniritsa zofunikira zachitetezo cha dziko komanso zachilengedwe, vuto lalikulu kuphatikiza benzene kupitilira bid, mabakiteriya, zotsalira zazitsulo zolemera, ndi zina zambiri.
Benzene ndi mtundu wa mankhwala amphamvu a carcinogenic, mwachitsanzo, makamaka mu zokutira, zomatira, zomwe zimagwiritsidwa ntchito kwambiri popanga chakudya.
Chifukwa mabizinesi ambiri alibe njira zowongolera ndi kuzindikira, zida zoyikamo chakudya zimakhala benzene kwambiri kuposa zomwe zidaperekedwa.
Zida zonyamula zosayenerera zimatha kuwononga chakudya, ndikuyika thanzi la ogula pachiwopsezo.
zosungunulira zotsalira zosungunulira zotsalira zotsalira za ma CD zomwe zimapangidwa mu inki yosindikizira, zosungunulira ndi kupanga, zosungunulira zomwe zimagwiritsidwa ntchito kwambiri monga toluene ndi butanone, ethyl acetate.
Mtengo wa GB9683—
1988 mankhwala ovuta, pawokha sikuwola, chimbudzi ndi kuyamwa m'thupi sichoncho, chifukwa chake amawerengedwa kuti ndi zinthu zotetezeka, zopanda poizoni.
koma chifukwa cha kufunikira kwa kukonza, komwe nthawi zambiri kumalumikizana ndi zowonjezera zosiyanasiyana, monga kulimbikitsa wothandizira, wothandizira, wothandizira, kudzaza, kubweretsa mavuto a chitetezo cha chakudya.
Kupanga mphira makamaka anachokera ku mafuta mankhwala zopangira, mtundu ndi zambiri, wapangidwa monoma kudzera njira zosiyanasiyana za polima mankhwala, mamolekyu ang'onoang'ono ufulu ndi zoipa kwa thupi la munthu.
