What do salesmen really think of their customers? Matt Allwright takes a look at the world of double glazing in the sixth of the series exposing unprofessional workmen.
Producer Steve Sklair ; Editor Lisa Ausden
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What do salesmen really think of their customers? Matt Allwright takes a look at the world of double glazing in the sixth of the series exposing unprofessional workmen.
Producer Steve Sklair ; Editor Lisa Ausden
BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.
