Indesit MWB 222.1 X UK Mode D'emploi page 143

Materials you can use in microwave oven
Utensils Remarks
Aluminum foil Shielding only. Small smooth pieces can be used to cover thin parts of meat or poultry to
(5mm) above the turntable. Incorrect usage may cause the turntable to break.
dishes.
and may break.
escape.
cooking only.
closed plastic bags should be slit, pierced or vented as directed by package.
Materials to be avoided in microwave oven
GB
143