Show BUIlDING TRADES FAil TO Fewer Workmen in Some Branches Than in 1910 LOS A ANGELES GELES Fob Feb 1 Young I.-Young Young men of ot tho the United United States Slates are arc not learning ten trades Important to building according to the annual re report ro- ro port of the tho committee on labor of the American General Contractors whoso fourth annual convention continued con- con I hel here heie e toda today D These trades aro are those of structural I Iron workers plumbers carpenters painters brick masons roofers plasterers plas plas- paperhangers building laborers laborers labor labor- ers and stonecutters With the exception of the first three e e report stated there were actually fewer workmen In 1920 1020 than In 1910 and only tho Iron Ironworkers Ironworkers ironworkers workers and the tho pl plumbers In their Increase had kept pace with tho increase In Increase increase in- in crease In the population of tho the country coun coun- try to The report named two probable causes The first was the cutting off of ot Immigration by the World war and later by restrictive Immigration laws The second was the fact tact that young oung Americans were not learning these trades |