Category Nuances for heavy_metal:

• restricted,
• harmful,
• toxic,
• inert,
• damaging,
• significant,
• dangerous,
• hazardous,
• residual,
• manufactured,
• sensitive,
• suspended,
• inhibitory,
• dissolved,
• refractory,
• resistant,
• organic,
• new,
• diverse,
• physical,
• carcinogenic,
• regulated,
• noble,
• incompatible,
• inorganic,
• undesirable,
• polar,
• radiopaque,
• detrimental,
• poisonous,
• foreign,
• single,
• herbal,
• binding,
• urban,
• reactive,
• secondary,
• particular,
• critical,
• important,
• raw,
• small,
• overweight,
• fine,
• noxious,
• underlying,
• up,
• interfering,
• hard,
• desired,
• solid,
• cytotoxic,
• individual,
• useful,
• exotic,
• persistent,
• environmental,
• heavy,
• tiny,
• unwanted,
• isolated,
• minute,
• chemical,
• heavier,
• unhealthy,
• deleterious,
• number,
• particulate,
• mobile,
• atomic,
• impure,
• unnatural,
• valuable,
• bad,
• relevant,
• colloidal,
• deadly,
• expensive,

Simple Categories for heavy_metal:

• substance,
• matter,
• element,
• thing,
• material,
• item,
• solid,
• stuff,
• metal,
• quantity,
• residue,
• component,
• cause,
• attribute,
• constituent,