The rules that use the category "<hmmwv-sing>" are:

<section_id-creatable-sing>

<hmmwv-sing> <section_noun-sing> with tows

<specific_vehicle_type-sing>

<hmmwv-sing>

<specific_vehicle_type-creatable-sing>

<hmmwv-sing>

<specific_vehicle_type-not_creatable-sing>

<hmmwv-sing>

<specific_vehicle_type-not_creatable>

<hmmwv-sing>