N'ụlọ nyocha, a chọrọ ịkpachara anya nke ọma mgbe a na-eji sodium sulfide eme ihe. Tupu e jiri ya, a ga-eyi ihe mkpuchi nchekwa na uwe aka rọba, a ga-arụkwa ọrụ ahụ nke ọma n'ime ihe mkpuchi anwụrụ ọkụ. Ozugbo e meghere karama reagent ahụ, a ga-emechi ya ozugbo na akpa plastik iji gbochie mmiri mmiri si n'ikuku bata, nke ga-eme ka ọ bụrụ ihe e ji ehicha ya. Ọ bụrụ na karama ahụ akụọ n'amaghị ama, ejila mmiri sachaa ya! Nke mbụ, jiri ájá kpọrọ nkụ ma ọ bụ ala kpuchie ihe ahụ a wụfuru, wee jiri shọvel plastik chịkọta ya n'ime ihe mkpofu raara onwe ya nye.

Ịrụkọ ọrụ na anyị enweghị nchekasị karịsịa, na-enye asambodo nyocha COA n'efu na mpempe akwụkwọ nchekwa MSDS, yana ịkwado nnwale ikike nke ndị ọzọ. A na-anabata ndị enyi nwere mkpa ịkpọtụrụ anyị oge ọ bụla site na ịpị ebe a!