The rules that use the vocabulary item "heavy" are:
mech heavy combat team
mechanized heavy combat team
opfor mech heavy combat team
opfor mechanized heavy combat team
swa mech heavy combat team
swa mechanized heavy combat team
swa tank heavy combat team
tank heavy combat team
tank heavy combat team headquarters
tank heavy combat team hq
heavy assault bridges
heavy equipment transporters
heavy assault bridge
heavy equipment transporter
heavy assault bridges
heavy equipment transporters
heavy assault bridge
heavy equipment transporter
heavy assault bridge
heavy equipment transporter
heavy assault bridge
heavy assault bridges
heavy equipment transporter
heavy equipment transporters