Sulfideeji nder ndiyam ina keewi ɓuuɓde, ina njaltina H2S e nder weeyo. Fooftude H2S keewɗo ina waawi addande neɗɗo ɗoon e ɗoon ɓuuɓri, ɓuuɓri, caɗeele fooftere, ɓuuɓri, e batte tooke bonɗe. So henndu ina heewi 15–30 mg/m3 ina waawi addande neɗɗo ɓuuɓri ƴiiƴam e bonnude ƴiiƴam gite. Fooftere H2S juutnde ina waawi jokkondirde e sitokrom, oksidaas, jokkondire disulfide (-SS-) e nder poroteyiin e asideeji amin, ina bonna golle oksidaasiyoŋ cellal, ina addana cellal ŋakkere oksijen, ɗum noon ina waawi bonnude nguurndam.

Kala batte sulfide sodium ina waɗa ƴeewndo komponenteeji e ƴeewndo softeende ngam ittude softeende ummoraade e ɓuuɓri. Ƴeew ɗoo ngam heɓde sarwisaaji karallaagal.