The word traficarán is the future form of traficar in the third person plural.
See the full traficar conjugation


Éstos debían incluir los cometidos por quienes fabricaran, importaran, exportaran, poseyeran y utilizaran explosivos o traficaran con ellos sin la licencia requerida o su equivalente;
Such offences should include offences applicable to those who manufacture, import, export, possess, use or traffic in explosives without the required licence or equivalent;
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