Kammala jumla mai zuwa: Yajin aikin ma'adinai na Asturian na 2012 ya kasance rikice-rikicen aiki wanda ya shafi ma'aikatan ma'adinai sama da 8,000 a cikin yankin mulkin mallaka na Asturias na Spain. Masanin ilimin kasa David Featherstone ya bayyana yajin aikin a matsayin "daya daga cikin siffofin zanga-zangar adawa da tsattsauran ra'ayi da suka fito bayan [rikicin kudi na 2007 <unk> 08]". Akwai
irin wannan yajin aiki, a duka girman da kuma ikon yinsa, a 1934.