SERIOUS POINT:
Dont forget the correct phraseology when transferring to the first frequency after departure, i.e:
1. Callsign of station adressed
2. Your Callsign
3. Passing Altitude
4. Cleared Altitude (or Level)
5. SID Designation (or alternative instruction e.g. Rwy hdg)
AFAIK That used to be audited as to how many departures complied.
OTHER POINT.
Under british engineering terminology, I believe the term for a valve through which a liquid flows is a COCK.
Shakes *clean* hands
Jeff