limiting a source of something tht has a negative impact on something else has a positive impact on that something else
hazardous_waste has negative_environmental_impact all_things has impact_on_other_things things has limits negative is denial. threat_of_death is not good_deterrent. sensitive_but_unclassified_thing is restricted_thing. authentication_protected_thing is restricted_thing. all_things has not impact_on_other_things hazardous_waste has not negative_environmental_impact sensitive_but_unclassified_thing is not restricted_thing.