"Kev haus luam yeeb hauv hluav taws xob" yog cov khoom siv hluav taws xob uas tsis muaj hluav taws xob, nws cov txiaj ntsig zoo ib yam li cov pa luam yeeb zoo tib yam, tuaj yeem ua kom rov zoo, txaus siab rau kev haus luam yeeb, ua rau cov neeg haus luam yeeb zoo siab thiab so, thiab tib lub sij hawm muaj kev cuam tshuam ntawm kev txiav luam yeeb. Qhov sib txawv tseem ceeb ntawm "cov luam yeeb hluav taws xob" thiab cov luam yeeb zoo tib yam yog:
1. Tsis muaj tar Cheebtsam uas tsim kev puas tsuaj rau tib neeg lub cev, tsis muaj carcinogens;
2. Tsis muaj combustion, tsis muaj ntau yam tshuaj phem uas tsim tom qab combustion;
3. Tsis muaj kev puas tsuaj los ntawm "cov pa luam yeeb thib ob" rau lwm tus thiab muaj kuab paug rau ib puag ncig;
4. Tsis muaj hluav taws kub, thiab nws tuaj yeem siv rau hauv qhov chaw tsis muaj kev haus luam yeeb thiab tsis muaj hluav taws.