дуговий приціл
front sight (fore / muzzle sight)
sight, to take a (careful) sight
day-sight (day sight)
modular integrated display and sight helmet (Modular Integrated Display-And-Sight Helmet)
thermal arc engine / arcjet
arc light
alternative arc of fire
windage arc
wind-gauge arc
arc jet engine
electric arc
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-shaped magazine
throw an arc of strangulation
cover the arc of fire
sweep the arc of fire
electric-arc-driven shock tube
adaptive radar countermeasures (ARC)
arc furnace