If a barrel is poured in the vegetable garden or cistern in the shower — the water level in them will tell you a simple water-measuring device consisting of a Styrofoam float and stuck to his line or rod with the labels. For greater stability of water-measuring devices are required on the barrel to put the bar with the guide bushing.
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MANNED EDUCATIONAL…
Three sticks — two strings... So modelers joking about educational models. Those and in fact, usually— solid wood: the wing and the fuselage, and the stabilizer keel of the purple...
IRRIGATION ON THE BALCONY
Equipping the balcony watering flowers system you get rid of weight trouble. How to do it — it is clear from the figure.
