preheat indicator
1DIN 72552 — is a DIN standard for automobile electric terminal numbers, standardizing almost every contact in an automobile with a number code. A different standard, EN 50005 recommends terminal numbering for general application relays (e.g. 11/12/14/A1/A2… …
2Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
3Hot air balloon — This article is about hot air balloons themselves. For the associated activity, see hot air ballooning. For the rock opera, see Hot Air Balloon (rock opera). For the song, see Hot Air Balloon (song). Hot air balloon in flight …
4Organic Rankine Cycle — Thermodynamics …
