безвідмовний; надійний
accident-free flying / mishap-free flying
mishap-free flying / accident-free flying
fault code description
fault in feed
design fault
fault defect
fault detector
mechanical fault
single fault
fault testing
fault annunciation
fault conditions
fault warning
fault
ground fault
fault tolerance
fault inferring nonlinear detection system
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
toxic free area
free-fire area