THE OIL “CAP”

OIL In the multi-individual homes usually have Autonomous water supply system, which consists of a boiler, pipes, radiators and the surge tank. The inner walls of the tank is always wet from the constant evaporation and wetting with the expansion of water in the heating system. The reservoir is intensely rust inside and rust and fills the system, threatening congestion.

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THE SOUND IT DESERVES

SOUNDS NEWEven in the recent past 10АС9 sound system, each sound column which contains two versatile dynamic loudspeaker (one for low and medium frequencies and the other, with a diffuser of smaller diameter for higher), it was considered perfectly acceptable for a home stereo. And electrical parameters it was on a high level: power 10 W, impedance DC current 4 ohms, audio frequency response 40 to 18,000 Hz. With the advent of so-called Hi-Fi equipment these speakers have become increasingly depart among the almost Museum pieces.

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SUPPORT CLAY

Medical bubbles, and especially the opened vial is very fragile, and spill their contents sometimes very simple. To avoid this, use a “tortilla” of clay: recessed in her glass bottoms of tanks holding up, as if glued.   V. GOLOVASHIN, Rybnoe, Ryazan region.