M'zaka zaposachedwa, ndikukhazikitsa malamulo oyendetsa mlengalenga mgalimoto, mawonekedwe oyendetsa magalimoto ndi VOC (osakhazikika a Organic Compounds) akhala gawo lofunikira pakuwunika magalimoto. VOC ndiye lamulo lazinthu zamagulu, makamaka limatanthawuza kanyumba wamagalimoto ndi zonyamula katundu kapena zida zamagulu, makamaka ma benzene, ma aldehydes ndi ketoni ndi undecane, butyl acetate, phthalates ndi zina zotero.
Kuchuluka kwa VOC m'galimoto kukafika pamlingo wina, kumadzetsa zizindikilo monga kupweteka mutu, nseru, kusanza ndi kutopa, komanso kupweteketsa mtima ndi kukomoka zikavuta. Zingawononge chiwindi, impso, ubongo ndi ubongo, zomwe zimapangitsa kuti anthu asamaiwale kukumbukira komanso zotsatira zina zoyipa, zomwe zimawopseza thanzi la munthu.