For instance, argon, an inert gas, is commonly used in cold climates to slow the rate of heat transfer between one pane to another.
(argon, an inert gas; is commonly used; L:in cold climates; to slow the rate of heat transfer between one pane to another)
argon, an inert gas
is commonly used
L:in cold climates to slow the rate of heat transfer between one pane to another