вільний нейтрон
accident-free flying / mishap-free flying
mishap-free flying / accident-free flying
counter-neutron radiation screen
neutron
neutron bomb
neutron radiation
neutron weapon
hydrogen-containing neutron absorbent
neutron radiation water absorbent
slow-neutron (radiation) boron absorbent
neutron-resisting boron-composite steel armor
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 rocket
free-fall bomb
nuclear-free zone
toxic free area
free-fire area
impact free
mine free
weapons free zone (WFZ)
anti-aircraft free-flight rocket
free flight
free flight rocket
free-flight aerial rocket