an incidence trunk is a mean of electromagnetic water
military_decontamination_truck is land_vehicle. ohmage is electric_resistance. airport_decontamination_pad is tangible_thing. territorial_waters is body_of_water. territorial_waters is unnatural_thing. incidence is frequency. vector_borne_epidemic is infectious_disease_epidemic. incidence is optical_phenomenon. kyasanur_forest_disease is vector_borne_infection. incidence is rate.