On the inside is an electric grill - real charcoal takes too long - and the smoke effect comes from spraying olive oil on the electric coils.
The tanker Narragansett turned on her pumps and sprayed lubricating oil on the sea to help calm the surface.
It slewed about, spraying oil and moss from under its wheels.
Sometimes the equipment that makes the cars leap and dance is pushed beyond its limits and a hose bursts, spraying hot black oil.
High performance engines frequently have additional oil, beyond the amount needed for lubrication, sprayed upwards onto the bottom of the piston just for extra cooling.
In the first study being reported today, scientists from Imperial College and the University of Edinburgh sprayed oil containing Beauveria bassiana fungus into cardboard pots.
Summer Spraying Q. I have tried spraying horticultural oil for various insect problems, and I find that sometimes the insects are back a few weeks later.
But it wasn't blood, the engine was spraying oil, which was then applied to the glass by the atmosphere acting as a 300 mph airbrush.
Workers sprayed heavy oil on the surface of freshwater ponds to kill larvae.
The fact that recreational powerboats are spraying gas and oil into the water is not in dispute.