To fully exhaust aerosol spray can, which is usually just thrown away, there are wonderful sites: valve and spray head. The latter, for example, can turn into a spray of ordinary rubber tubing. You only need to choose a tube head tightly into the hole of the proboscis pear.
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AIRCRAFT WITH THEIR HANDS
1. GENERAL PROVISIONS 1.1. These "General technical requirements" (OTT) apply to all aircraft (LA) Amateur-built requirements of the technical Commission for examination to obtain...
Automatic incubator
A compact incubator in which you can hatch turkeys and chickens, ducks and geese, operates from an AC power supply.
The design automatically maintains the required temperature: chicken...