x
T
er
1
Control anel lo k
S t
n o t e o
e o
o e
0
-
- +
+ -
x
ra t al a
e on
SUITABLE
*
Cast iron
Enamelled steel
Special stainless steel
Ceramic, non magnetic Stainless steel
x
/
+ -
x
x
x
n t e a
l an e
UNSUITABLE
Copper,
Aluminium, Glass, Earthenware,