Schutzabstand
buffer distance
clearance distance
clearance required
clearance
electrical clearance
flue space
guard band
guard interval
guard screen shield distance
guard space
head clearance
margin of safety
protection ratio
protective distance
saddle clearance
safe distance
safe margin
safe spacing
safety clearance
safety distance
safety headway
safety margin
safety shut-down
safety zone
stand-off distance
working clearance
working distance in operation of X-ray units
working distance
Dostopnost
Dostopnost