Related Clues:
- Press oils as examples
- Old Asian region's means of communication
- Communication means some diagrams must be cropped
- Eg, newspapers, TV
- Those in circus seeing assistant's backflip on to magician's head
- Oil etc found in region near Caspian Sea
- Mass communicators
- Male assistant sent back for oil and water, maybe
- First man with new idea for means of communication
- Reporters etc from a ship by the sea in the end returning
- Reporters getting note out of Saudi holy city
- Vehicles engineer made, I imported
- News channels
- Male assistant brought back the box etc
- Middle East needing assistance over reporting channels