In article . com,
"Bob in Oregon" wrote:

. What exactly is kerosene, and what do you
use it for?

In rocketry, (F-1 Saturn V-style engines) the reaction (combustion of
hydrogen and oxygen) is so violent,even when the propagation is
moderated via coupled turbine pumps, that an additional component is
introduced to moderate the burn....Kerosene.

Is that cool or what?