-Largest sector of all economies
-Labour efficiency is alarmingly low
-Skilled workforce vanished
-Work quality is low
-Control of the construction site is insufficient and difficult
-Accident rate at construction sites is high (>400‘000/year in US) (60‘000 fatalities/year globally)
-Waste and trims are high (3-7 tons per average home; 40% of all materials used worldwide are for construction)
-Low income housing and emergency shelters are critical
-All other products are fabricated automatically – consturction is still largely a manual task
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