Tristar MW-2905 Manuel D'utilisation page 49

Absorbability, the microwave can cause the excess vibration of molecule of
various food so as to obtain the heating purpose. But the infiltration ability is
largely depend on the size, thickness and properties of the food.
Penetrability, microwave can penetrate through ceramics, glass,
temperature-resistant plastics. It is required to use the containers whose
material have good microwave penetrability to achieve best heating result. See
the below utensils guide.
Reflectivity, microwave would be reflected by the metal wall of interior cavity so
as to establish an even magnetic field, thus can prevent the overheating of
partial area.
Installation of Microwave Oven
To ensure sufficient ventilation, the distance of back of oven to the wall or cabinet
o
should be at least 10cm, side of oven to the wall or cabinet should be at least
5cm, the top of oven to the ceiling or cabinet should be at least 20cm.
Do not place any object on the top of oven.
o
The position of the oven shall be such that it is far from the TV, Radio or antenna
o
as picture disturbance or noise may occur.
The oven shall be so installed that the plug is accessible.
o
Utensils guide
It is strongly recommended to use the containers which are suitable and safe for
microwave cooking. Generally speaking, the containers which are made of
heat-resistant ceramic, glass or plastic is suitable for microwave cooking. Never use
the metal containers for microwave cooking and combination cooking as spark is
likely to occur. You can take the reference of below table.
Material of
container
Heat-resistant
ceramic
All manuals and user guides at all-guides.com
Microwave Grill
Yes No
Conv Combi Notes
No No Never use the ceramics which
are decorated with metal rim
orglazed.