Nei isu Tese Tisingarware nenzira imwechete
Chinyorwa ichi chaNovember 2017 na IAOMT's Jack Kall, DMD, naAmanda Vanongotsanangudza sainzi iri kumashure kwemazino emekiyuri uye nezvimwe zvinokanganisa zvakatipoteredza uye zvakasiyana mhinduro zvinhu zvine chekuita nekuratidzwa kwemazino e mercury. Dzvanya pano kuti uverenge chinyorwa chose kubva kuWorld Mercury Project.