електрична дуга
electric-arc-driven shock tube
thermal arc engine / arcjet
arc light
alternative arc of fire
windage arc
wind-gauge arc
arc jet engine
crescent-shaped circular arc aerofoil section
circular arc aerofoil section
flat-convex circular arc aerofoil section
arc welding
arc-shaped aerofoil section
zinc-xenon arc lamp
elevating arc
elevating arc clamp
minute of angle (MOA) / arcminute, minute of arc
arc bridge
arc clinometer
arc of elevation
arc of fire
arc of training
arc sight
arc-shaped magazine
throw an arc of strangulation
cover the arc of fire
sweep the arc of fire
adaptive radar countermeasures (ARC)
arc furnace
arc
arc-heated scramjet test facility
electric baton
electric blasting