togwt
The Old Grey Whistle Test
A few more for your reference collection-
Glossary of chemical terms
Industrial Coatings
Grumpy (Ketch) as always a mine (minefield lol) of great information
JonM
Glossary of chemical terms
Industrial Coatings
Grumpy (Ketch) as always a mine (minefield lol) of great information
JonM