Guddiga Ganacsiga Caalamiga ah ee Mareykanka (USITC) ayaa go'aansaday inuu kordhiyo ka-hortagga qashinka (AD) iyo counterva…
Birta birta ah waxay ka kooban tahay chromium, taas oo bixisa iska caabbinta daxalka ee heerkulka sare. Birta birta ah waxay u adkeysan kartaa jawiga daxalka ama kiimikaad sababtoo ah dusha sare.
Tuubooyinka birta ah ee birta ah (tubooyinka) waxay leeyihiin sifooyin aad u fiican sida caabbinta daxalka iyo dhamaystirka wanaagsan. Tuubooyinka birta ah ee birta ah (tuubooyinka) ayaa caadi ahaan loo isticmaalaa qalabka baahida baabuurta, diyaarinta cuntada, goobaha daaweynta biyaha, saliidda iyo gaaska, sifeynta iyo batroolka, breweries iyo warshadaha tamarta.
- Warshadaha Gawaadhida - Hagaajinta Cunnada - Xarumaha Daaweynta Biyaha - Warshadayaasha Breweries iyo Warshadaha Tamarta