Edward Green wrote:
z wrote:

Ah, you have forgotten the frequently seen fourth form, which is
wrapping the hot thing up in a towel and running with it over to
somewhere else where you drop it off. It can move a lot of heat very
effectively.

Very good! That's non-convective mixing or mass-transport (to give it
some important sounding names).

Now that you mention it, it is, isn't it? (beam)