Martin Hotze wrote:

the helicopter hauled concrete in a big - hmm .... what'S the right word? -
in a big iron bin for constuction work.

I would guess this was a dump bucket. Tubular container about 1.5 meters high
and 1.5 meters in diameter with an open top and a tapered bottom? There's a
lever to open up the bottom and let the contents out. We used them on
construction jobs in Atlanta, only we used cranes instead of choppers.

George Patterson
Give a person a fish and you feed him for a day; teach a person to
use the Internet and he won't bother you for weeks.