Chuck Harris wrote:
Hi Mike,

The process of defluxing involved dipping or spraying the chassis
in carbon tetrachloride, or later trichlorethylene.

...and you don't want to fool with either with what we know these days.
Tricloroethylene is a carcinogen and is banned in many microelectronic
houses.

--
Brian Denley
http://home.comcast.net/~b.denley/index.html