Unfortunately, ventilation in our homes sometimes works so that it is easy to guess what is cooked for dinner at the neighbors. This means that in your apartment from the ventilation duct penetrates the polluted air Attach to a vent inside a thin Mylar — movement of air from the kitchen to the hood it will not interfere, and when the pressure in the duct works as a valve and will not miss the polluted air in the kitchen.
Recommend to read
AEROBATICS “FLYING WING”
By the mid 30-ies of the aircraft type "flying wing" was quite true to their name — they were flying. In our country, in Germany, England, Switzerland, designers and innovators to pilots...
INSTEAD OF OARS – A SAIL
The “Volna” inflatable boat, popular among water recreation enthusiasts, can be easily converted into a real sailing dinghy. The drawings of the universal sailing rig published in this...
