Category Nuances for natural_gas:

• large,
• gaseous,
• environmental,
• combustible,
• needed,
• strategic,
• local,
• practical,
• unstable,
• key,
• raw,
• metal,
• nonrenewable,
• organic,
• common,
• natural,
• primary,
• physical,
• crude,
• fossil,
• subsurface,
• rare,
• compressible,
• flammable,
• carbonaceous,
• base,
• mixed,
• conventional,
• manufactured,
• lighter,
• specified,
• external,
• explosive,
• synthetic,
• homogeneous,
• sedimentary,
• motor,
• linear,
• limited,
• up,
• vehicular,
• alternative,
• new,
• complex,
• scientific,
• aggressive,
• ordinary,
• critical,
• secondary,
• domestic,
• virgin,
• chemical,
• several,
• essential,
• corrosive,
• modern,
• possible,
• additional,
• auxiliary,
• dispersed,
• cleaner,
• buoyant,
• poisonous,
• indigenous,
• sensitive,
• driving,
• under,
• harmful,
• consumable,
• precious,
• solid,
• inorganic,
• volatile,
• exempt,
• similar,
• flexible,
• single,
• marketable,
• world,
• seasonal,
• individual,
• private,
• ignitable,
• toxic,
• friendly,
• fluid,
• abundant,
• basic,
• direct,
• nitrogenous,
• geologic,
• useful,
• animal,
• foreign,
• inflammable,
• pure,
• light,
• competitive,
• available,
• upset,
• vital,
• costly,
• actual,
• good,
• supplemental,
• clean,
• renewable,
• expensive,
• extraneous,
• efficient,
• compressed,
• everyday,
• crucial,
• liquefied,
• hazardous,
• valuable,
• ambient,
• stable,
• residential,
• liquid,
• automotive,
• neutral,
• simple,
• atmospheric,
• major,
• out,
• tangible,
• commercial,
• traditional,
• personal,
• technological,
• convenient,
• geological,
• corporate,
• dangerous,
• metallic,
• cheap,
• dry,
• special,
• liquified,
• medium,
• cold,
• acid,
• starting,
• popular,
• technical,
• diverse,
• related,
• industrial,
• supplementary,
• home,
• indirect,
• usable,
• important,
• underground,
• reactive,
• rich,
• down,
• real,
• familiar,
• inexpensive,
• extra,
• supporting,
• standard,
• desirable,
• frozen,
• public,

Simple Categories for natural_gas:

• development,
• fuel,
• gas,
• installation,
• state,
• carrier,
• property,
• substrate,
• form,
• ground,
• mixture,
• commodity,
• fluid,
• material,
• appliance,
• fertilizer,
• agent,
• structure,
• component,
• matter,
• nature,
• hydrocarbon,
• medium,
• substance,
• quantity,
• hazard,
• liquid,
• ownership,
• facility,
• contaminant,
• quality,
• compound,
• system,
• unit,
• chemical,
• change,
• process,
• combustible,
• condition,
• danger,
• atmosphere,
• rock,
• fixture,
• item,
• entity,
• deposit,
• formation,
• land,
• hydrogen,
• mineral,
• fumes,