high-transmissivity
high-unipotential
high-usage
high-utilization
high-vacuum
high-value
high-velocity
high-viscosity
high-visibility
high-volatile
  high-voltage
high-volume
highwall
high-waste
high-water
highway
high-wing
high-yield
high-Z
hijack
hike

    high-voltage sign

    предупредительный знак о наличии высокого напряжения