Building Technology – Clean and fresh water is a precious

Clean and fresh water is a precious and increasingly scarce resource, and we have made great progress in reducing water consumption in toilets, showers and sinks. Before 1994, a single flush could consume up to 3.5 litres of water. The oil shocks of the 1970s fuelled the battle to control our unnecessary energy consumption. The first battery tools had a short operating time, minimal power and long charging times. Learn more about the television programming of this old house and find out more about this old house near you. All rights reserved.

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