Show UNION LABOR MEN THREATEN STRIKE I ON HIGH SCHOOL That a strike on the cast side high hi h school building is possible was plainly intimated this mo morning ning when hen a n committee commit tee toe representing the ho building iD trades union urion held a conference with ith Arnold Arnod G. G Giauque chairman bf hi the e building and grounds committee of th the b board ard of education ed cd ed- ed and notified him that Co who lI have Yr the contract for the heating and ventilating j employing employ employ- in ing nonunion labor labon The committee in insinuated insinuated in in- that unless the tho practice is stopped a u strike of the union mou employed em cut- on the building would be called Mr Giauque Gianque informed the committee that th t he would take tho tile matter up with the contractors |