Tag Archives: Technology Repair

Modern Doorbells

Most of the houses, apartments, offices today are equipped with one or another warning device, which allows civilized enough to announce his arrival and wish to join. Quite often this is the usual cheesy, but effective electromechanical bell or buzzer. … Continue reading

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Concrete Vermiculite

Thermal conductivity of some materials Exfoliated vermiculite 0.04 – 0.062 W / mK Basalt canvas 0.04 – 0.062 W / mK expanded clay gravel 0.12 W / mK asbestos-cement slab 0,13 W / mK Foam 0 14 – 0.18 W … Continue reading

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