So these former farmers got jobs in factories, learned to repair equipment, solved problems, became line managers, suggested improvements to processes, and got paid for their effort.
Second, in the past, technological improvements did not decrease human beings' propensity to wage war; they only made people better at killing.
Vancouver has well-paved streets and is well supplied with water, electric lighting, electric cars and all the improvements of a modern city.
With the improvements in wind instruments this continued, as a more brilliant effect was gained.
Great improvements, however, have been effected in the design of open fireplaces, and many ingenious contrivances of this nature are now in the market which combine efficiency of heating with economy of fuel.