Actividad

•  Abbattoirs ⁽¹⁾
•  Boilermaking ⁽¹⁾
•  Boning ⁽¹⁾
•  Butcher's ⁽¹⁾
•  Cutting rooms ⁽¹⁾
•  Fishmongers ⁽¹⁾
•  Food ⁽¹⁾
•  Foundry ⁽¹⁾
•  Metal ⁽²⁾
•  Mining ⁽¹⁾
•  Naval and shipyards ⁽²⁾
•  Rebar ⁽²⁾
•  Welding ⁽¹⁾