What is the thickness of the flanges and what material is used in the flanges?
Posted: Thu Jul 14, 2022 10:24 am
a) 10 mm thick, resins
b) 10 mm thick, asbestos
c) 15 mm thick, asbestos
d) 10 mm thick, bakelized asbestos
b) 10 mm thick, asbestos
c) 15 mm thick, asbestos
d) 10 mm thick, bakelized asbestos