B
Right, right, and one of the reasons they fixed up the freons eleven, twelve and thirteen, in, in, in that area was because they were inexpensive, uh, they could be made, uh, you know, inexpensive and lots of it, uh, and in that, and its properties were great, uh, with, uh, the machinery, didn't have to have lots of expensive machinery to, uh, get your heating and cooling cycles to work.
A
Um.
B
So.
A
Have they stopped that practice now?
B
Well, course there's a, a tremendous number of refrigerators and fre-, excuse me, refrigerators and freezers, both commercial and residential, uh, utilizing freon twelve, and of course, the new cars, I guess starting with ni-, nineteen ninety-three will not have freon twelve in their systems. But, uh, there's, you know, the ton of after market machines, and et cetera, et cetera.
A
Yeah.