Kammala wannan jumla: Masana'antar hakar kwal ta taka rawa a cikin tattalin arzikin yankin lardunan Asturias da León tun zamanin Roman. Yankin kuma yana da tarihin tashin hankali:
a cikin 1934 wani tashin hankali da masu hakar gwal suka jagoranci ya faru amma Janar Franco ya murkushe shi; kuma yajin aikin ma'adinai wanda ya fara a Asturias a 1962 ya shafi kusan ma'aikata 500,000 kuma shine karo na farko a karkashin Franco cewa motsi na ma'aikata ya sami gagarumar nasara daga jihar. Masu hakar ma'adinai sun shiga cikin zanga-zangar adawa da masu zaman kansu da sake fasalin masana'antu a cikin shekarun 1980 da 1990. A shekara ta 2010, masu hakar ma'adinai sun yi nasara a wata takaddama, wanda ya haifar da dokoki da ke tallafawa masana'antar kwal. Masana'antar kwal ta Spain ta kasance cikin koma baya tun daga shekarun 1990 yayin da aka dakatar da tallafi, duk da haka, wanda ya haifar da raguwar yawan ma'aikata a masana'antar. Tsakanin 1990 da 2015 hakar kwal a Spain ya ragu da kashi 76.5 kuma adadin ma'aikatan da ke aiki a masana'antar ya ragu da kashi 85.7.