Muna 2017, vaongorori Ulf Bengtsson naLars Hylander vane chinyorwa chakaburitswa nezve yakakwira mhangura amalgam uye yakawedzera mercury vapor emission. Iyi yekupinda kubva kuAtlas yeSainzi inopa pfupiso nezve tsvagiridzo uye zvazvinoreva.
Dzvanya pano kuti verenga zvakawanda nezve tsvagiridzo.
