Modifiers matching safety:

• industrial,
• passive,
• interior,
• public,
• personal,
• internal,
• general,
• marine,
• systemic,
• active,
• electrical,
• occupational,
• structural,
• pedestrian,

Simple categories matching passive:

• activity,
• concept,
• craft,
• characteristic,
• income,
• system,
• endeavour,
• stretch,
• constraint,
• assets,
• structure,
• elements,
• measure,
• area,
• quantity,
• process,
• means,
• devices,
• care,
• regulation,
• emotion,
• contaminant,
• object,
• safety,
• instrument,
• dispenser,
• obstacle,
• device,
• medium,
• interference,
• action,
• source,
• cooling,
• part,
• game,
• surface,
• recreation,
• method,
• program,
• access,
• nature,
• technology,
• inactivity,
• use,
• component,
• metal,
• production,
• profit,
• vessel,
• instruction,
• tag,
• exercise,
• task,
• content,
• bird,
• design,
• therapy,
• motion,
• artefact,
• block,
• sensor,
• restraint,
• predator,
• intervention,
• control,
• form,
• damper,
• entertainment,
• quality,
• movement,
• education,
• dielectric,
• failure,
• procedure,
• earnings,
• tissue,
• trap,
• attribute,
• liquid,
• plate,
• mixer,
• treatment,
• stretching,
• feature,
• circuit,
• energy,
• transducer,
• gear,
• facility,
• character,
• level,
• mechanism,
• data,
• approach,
• transport,
• appliance,
• conductor,
• organism,
• property,
• radiator,
• tool,
• model,
• losses,
• barrier,
• usage,
• equipment,
• modality,
• gas,
• constituent,
• attitude,
• communication,
• outlet,
• entity,
• state,
• material,
• implementation,
• conveyor,
• investment,
• element,
• information,
• display,
• particle,