Ключевые слова: arrangement, control, crowd, custom, defense, design, durable, emergency, enforcement, equipment, facility, features, gear, inspection, law, maintenance, management, materials, measures, military, modern, operational, operations, personnel, police, preparedness, protection, protective, protocols, public, readiness, reliability, response, riot, safety, security, services, shield, shields, showcase, situation, staff, storage, strategies, tactical, technology, tools, training, unitsunits,