
Most aquarium fish — loving, so even room temperature water to cool them, it must be heated. They need additional lighting. “Kill two birds” will allow such accommodations. On the plastic lid of a glass jar is attached to the socket with the plastic nut for the lamp shade and metal bracket. Remains screw frosted lamp 15 — 25W, cover the jar, put in the plug bracket rubber gasket, put the lantern on the wall of the aquarium: will the light and heat.
Recommend to read
ROCKET THE WINNER
The proposed model is made by the known, so-called "Moscow" scheme. Its main feature is folding the rotary wing. It is made of balsa plate with a thickness of 3.5 mm. the Center section...
UNIVERSAL STAND
It is often necessary to break in the motor to measure rpm and fuel consumption. To set this engine on the model is optional. In aeromodelling circle of secondary school No. 112 in the...