The category "<section_type-creatable-sing>" can be expressed as follows:

<section_type-creatable-sing>

<css_section_echelon>

<specific_section_type-creatable-sing> <section_noun-sing>

<specific_team_type-creatable-sing> <section_noun-sing>

<specific_vehicle_type-creatable-sing> <section_noun-sing>

<team_or_group_section_echelon>