circ - cold
- circ-water
- circaloy limit
- circle
- circuit
- circuit arrangement
- circuit breaker
- circuit design
- circuit diagram
- circuit efficiency
- circuit engineering
- circuit flushing
- circuit hardening
- circuit leakage
- circuit make-up
- circuit makeup
- circuit model
- circuit opening
- circuit purging
- circuit purification
- circuit schematic
- circuit upset
- circuit voltage
- circuit volume
- circuit water
- circuit-breaker
- circuition
- circuitry
- circular
- circular configuration
- circular deflection
- circular tube
- circular-grained graphite
- circulate
- circulate through
- circulating
- circulating air
- circulating flow
- circulating fuel
- circulating loop
- circulating power
