зона, вільна від токсичності
accident-free flying / mishap-free flying
mishap-free flying / accident-free flying
toxic
toxic agent
toxic chemical agent
toxic material
toxic report
toxic fume
non-toxic harmful substance
highly toxic substance
toxic substance
free-fire area
area of war/war area
potential danger area (trouble area)
hazard area / hazardous area
killing area / kill area
open area danger area
contact-free war
contamination-free
fallout-free
free fall
free fall air drop
free fire zone
free mine
free naval control of shipping
free net
free neutron
free rocket
free-fall bomb
nuclear-free zone
impact free
mine free