| Answer | Crossword Clue |
|---|---|
| smacks | to open and close (the lips) noisily |
| smack | to open and close (the lips) noisily |
| smacked | to open and close (the lips) noisily |
| banging | (of a door) Open or close violently and noisily |
| blinking | to open and close the eyes rapidly |
| blink | to open and close the eyes rapidly |
| pushrod | rod in an overhead-valve engine that is part of the linkage used to open and close the valves |
| pushrods | rod in an overhead-valve engine that is part of the linkage used to open and close the valves |
| timings | (in an internal combustion engine) The times when the valves open and close, and the time of the ignition spark, in relation to the movement of the piston in the cylinder |
