Table 3 Time requirements in the domain of industry.

From: Minimum Number of Settlers for Survival on Another Planet

Industrial activityAnnual time requirement per individual with range for 95% CISharing factor as a function of n with range for 95% CI
Mining (silicates, metallic ores, …)3802 ± 1900n0.6 ±0.15
Metal production5640 ± 3800n0.6 ±0.15
Production of metallic objects5640 ± 3800n0.6 ±0.15
Ceramics and glass production1880 ± 940n0.6 ±0.15
Chemical industry5640 ± 3800n0.6 ±0.2
Production of clothes1880 ± 940n0.6 ±0.2
Other activities, including innovation5640 ± 3800n0.6 ±0.2