helmets
type: Concept
broader: protective equipment

body armor
type: Concept
broader: protective equipment

vented suppressive shields
type: Concept
broader: protective equipment

protective equipment
narrower: vented suppressive shields
narrower: protective shields
narrower: protective masks
narrower: helmets
narrower: body armor
narrower: armored vehicles
broader: policing
type: Concept

protective masks
type: Concept
broader: protective equipment

policing
type: Concept
narrower: protective equipment

armored vehicles
type: Concept
broader: protective equipment

concepts
type: Collection
type: ConceptGroup
member: protective equipment

protective shields
type: Concept
broader: protective equipment