Before America evolved into the current economic high technology, with even robotics on the verge of a major leap forward, the need for repair, maintenance, and upgrading for established commercial and industrial building, plus the millions of houses that had already sprouted up, was taken care of by the trades.
These were once an honored segment of the nation’s economic structure in supplying the millions of existing factories and homesteads with upkeep and components. In fact, thousands of high school graduates chose the specialized technical trade schools in order to be prepared for their life’s work as mechanics, painters, plasterers, latherers, and all the specialties needed for the optimum functioning of existing facilities that were becoming numerous.