Modifiers matching atmosphere:

• tropical,
• closed,
• inert,
• dry,
• extraneous,
• dangerous,
• industrial,
• inexpensive,
• thick,
• chemical,
• protective,
• special,
• dense,
• active,
• explosive,
• smoky,
• controlled,
• clean,
• planetary,
• pure,
• alkaline,
• molecular,
• harmful,
• wet,
• vital,
• qualified,
• single,
• hazardous,
• gaseous,
• neutral,
• dynamic,
• flammable,
• corrosive,
• saturated,
• diffusing,
• rarefied,
• reactive,
• severe,
• indoor,
• cool,
• working,
• outer,
• innocuous,
• warm,
• oxidative,
• solar,
• carbonaceous,
• heavy,
• outdoor,
• isolated,
• bad,
• surrounding,
• rich,

Simple categories matching hazardous:

• material,
• activity,
• enterprise,
• substance,
• land,
• nature,
• pastime,
• explosive,
• motion,
• bacteria,
• chemical,
• waste,
• pollution,
• metal,
• drug,
• herb,
• location,
• system,
• beverage,
• sector,
• item,
• action,
• crossing,
• compound,
• structure,
• attribute,
• salt,
• occupation,
• obstacle,
• drinking,
• constituent,
• food,
• unit,
• machine,
• drink,
• atmosphere,
• occurrence,
• liquid,
• terrain,
• fluid,
• contamination,
• behavior,
• industry,
• hydrocarbon,
• particulate,
• reactant,
• program,
• job,
• fuel,
• microbe,
• agent,
• appliance,
• facility,
• thing,
• scene,
• machinery,
• insecticide,
• pattern,
• metabolite,
• choice,
• pursuit,
• equipment,
• aggregate,
• area,
• organophosphate,
• microorganism,
• environment,
• technology,
• room,
• recreation,
• body,
• business,
• anion,
• operations,
• process,
• commodity,
• precipitation,
• use,
• animal,
• halide,
• abrasive,
• obstruction,
• index,
• employment,
• behaviour,
• specimen,
• herbicide,
• feature,
• ground,
• solvent,
• creature,
• fixture,
• contaminant,
• matter,
• assignment,
• pathogen,
• fiber,
• place,
• particle,
• plant,
• condiment,
• surface,
• element,
• property,
• disease,
• container,
• site,
• task,
• characteristic,
• product,
• solid,
• organism,
• weather,
• preservative,
• impurity,
• article,
• phenomenon,
• duty,
• ingredient,
• tool,
• residue,
• pollutant,
• part,
• work,
• space,
• cargo,
• condition,
• nitrile,
• meat,
• service,
• weapon,
• elements,
• pesticide,
• component,
• point,
• fumes,
• gas,
• object,
• hazard,
• event,
• sport,
• situation,
• region,
• formulation,
• propellant,
• intermediate,
• accident,
• light,
• incident,
• circuit,
• air,
• oxidant,
• installation,