The history of improvements in passive heating systems
Most of the improvements to passive heating systems were made by the ancient Romans, who in the first century. n.e. they first used glass as partitions in window openings. Except flat …
Month: October 2014
Solar installations for heating hot water and central heating.
It is currently impossible to cover the total demand for thermal energy solely with solar energy in the climate of Poland on a massive scale. The efficiency of solar installations does not exceed …
Wood protection measures
Important properties of wood preservatives, np. range of protective action, in technical descriptions, etc. are given in the form of symbols. Please provide symbols for wood protection products and …