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wield

A System with the Wield Trait requires your Mech to have a System with the [[Rigging]] Trait to use it; as it must be held. This applies for each System with this Trait, for example to use an Armoured Shield and a Mech Melee Armament you need two Systems with the [[Rigging]] Trait.

Source: Salvage Union Workshop Manual, p. 65