Toshiba MV-SAM20T Instruction Manual page 198

UTENSILS
CAUTION
Personal Injury Hazard
It is hazardous for anyone other than a competent person
to carry out any service or repair operation that involves
the removal of a cover which gives protection against
exposure to microwave energy.
See the instructions on "Materials you can use in microwave
oven or to be avoided in microwave oven." There may be
certain non-metallic utensils that are not safe to use for
microwaving. If in doubt, you can test the utensil in question
following the procedure below.
Utensil Test:
1. Fill a microwave-safe container with 1 cup of cold water
(250ml) along with the utensil in question.
2. Cook on maximum power for 1 minute.
3. Carefully feel the utensil. If the empty utensil is warm, do
not use it for microwave cooking.
4. Do not exceed 1 minute cooking time.
EN-9
SAFETY WARNING