To measure the temperature of the liquid in the bottle with a narrow neck pretty hard. Replace the thermometer with a rubber or polihlorvinilovuju up, and the problem will be solved.
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ROCKET HAWK
Models of this type have many times built by the guys from the mug space modeling of station of young technicians of the city of Elektrostal. They especially appreciate its "Hawk" because...
Pumps water by day, guards the house at night
The automation device I designed is intended for farmers and owners of dachas with an autonomous water supply system whose key elements are a water source (river, lake, well or borehole),...
