air - anti
- annular combustion chamber
- annular coverage
- annular cutting blade
- annular die
- annular drainage pattern
- annular flange
- annular flow
- annular fuel element
- annular fuel pin
- annular furnace
- annular gap
- annular gasket
- annular groove
- annular gun
- annular jet
- annular jet air cushion vehicle
- annular jet hovercraft
- annular jet lift system
- annular kiln
- annular lapping
- annular lapping surface
- annular magnet
- annular mirror
- annular nozzle
- annular obstacle
- annular producer
- annular resonator
- annular rotary joint
- annular saw
- annular seal
- annular slide valve
- annular space
- annular spinneret
- annular tapered groove
- annular transistor
- annular tubes
- annular two-phase flow
- annular vault
- annular wheel
- annular-cooling-space reactor