Nalalka qadiimka ah ee moodada ah oo leh dhammaystir canab ah.Alaabooyinka fikradda laambadaha sudhan.Anagoo ah soo saaraha hormuudka ah ee nalalka qurxinta, waxaan abuurnay qaab dhismeed badan.Gaadhida degdega ah,qiimaha tartanka, qeexid kala duwan,taas oo ah faa'iidadayada.Hadda, waxaan ku siin karnaa CE Rohs Erp SAA RCM, PSE UL shahaadooyinka taxanahan.
Nalalka leh Helium gaas ku dallacaya sidii weel kulayl, cimrigiisu 70% wuu ka sarreeyaa kaas oo aan lahayn
Helium waa mid aad u deggan oo miisaankeedu yar yahay gaaska Inert.
Dareenka hawada asalka ah ee galaaska guluubka, Wax falcelin kiimikaad ah, Ma jiro qoyaan.
Kuleyl fiican oo ku jira nalka, kulaylka gudbinta degdega ah ee keentay galaaska guluubka.