When the laboratory experiment was completed, technical knowhow was transferred to some factories to provide the glass industry with various high performance refractries.
(the laboratory experiment; was completed; ) (technical knowhow; was transferred; to some factories; to provide the glass industry with various high performance refractries; T:When the laboratory experiment was completed)
the laboratory experiment technical knowhow
was completed was transferred
to some factories to provide the glass industry with various high performance refractries T:When the laboratory experiment was completed