Zama masu sana'a sana'a, musamman a birane, ya haddasa Ana zargin sabon wuraren samar da sabon zaman jama'a Layer - birane yan sana'a. Ana zargin ci-gaba siffofin kungiyar (guilds), kare da bukatun wannan Layer, halitta musamman sharadi gwargwado ga ci gaban birane crafts a tsakiyar zamanai. Manyan sassa na birane crafts kasance suknodelie, yi daga karfe kayayyakin, da gilashi kayayyakin da sauransu. A lokacin masana'antu juyin juya halin (tsakiyar karni XVIII. - Na farko da rabi na XIX karni.) Factory masana'antu bisa yin amfani da inji, ƙwace sana'a.Sana'a (a kan tsari da kuma a kasuwa) an kiyaye su a cikin masana'antu alaka da sabis da bukatun mutum abokin ciniki ko samar da tsada art kayayyakin - gina tukwane, sakar gidansa, sassaƙi, da sauransu. D.