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the appliance is set up, the needed air can also be obtained through the next
place in condition that this place must not be the bed room or a dangerous
place and also it must be ventilated as required.
Extraction of the fumes from kitchen
The cooking appliances that operate with gas, discard the burnt gas wastes out
directly to the outside or through the cooker hood that were connected to the
ducting hose. If it seems not possible to install a hood, it is required to set an
extraction fan onto the window or wall that is opened to the outside. This fan
must have the capacity to change the air of the kitchen environment 3-5 times
of its own volume of air per hour (Figure 3-4).