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How does a heat pump work – a functional device for heating and cooling
How does a heat pump work? What is a heat pump? What are the advantages and disadvantages compared to air conditioners? Are these pumps suitable for every season? There are many questions and we shall…
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Perforated metal in architecture, exterior, interior and furniture design
Perforated metal, also know as perforated sheet, perforated plate, or perforated screen, is a material used in many fields and highly appreciated for its strength, flexibility and low price. Nowadays we are used to see…