b"fortiscontrivedbyheating andcooling controlswhichproduceindoortemperatures at variance with outside temperatures. And ashigher temperaturesresultinan invisiblebutneverthelesspowerfulincrease in air pressure, the effect is to produce blisters or ruptures in the roofing in the attempt of the expanding air to escape in the direction of the lower temperature. The Yugoslav asphalt roofing industry producesasphalt,glassandasbestosfelts forflatroofs,andaccordingtoMarjan Brilly, Vice-president of the Federal Chamberof Building isnowinterestedintheTopcoatlcssMcIy Cawe purchaseof aroofingfeltmachinefromandGosseshiveredin Americawhich willturn out millions ofthispictureontopof Mount Santis in Switzer square feet of asphalt shinglesfor slopingland.Below:Mccawley roofs.introducesAmericansto TheYugoslavroofingindustryisatheirSwisshostsat nationalizedindustry,butunlikeRussiaZurich. where most policydecisionsare madeat thetop,themost vitaldecisionsappear to have emanated from the bottom through a process of genuine decentralization. Among the roofing contractors who met with the Yugoslav hosts were Bruce Fennell,SanDiego,Calif.;RobertFowler, yNorfolk,Va.;MerlinCrisp,Waterloo, wfo a;George~ osse,Philadelph1a,Pa.; om Shields, St. Louis, _Mo.; and two lady roo ngcontractors,MarjorieSimmons, fiGrandRapids, Mich.andLillianHarris, Charleston, W. Va. One interesting sid,eJight to the Americanroofingindustryvis-ittoYugoslavia wasthe overnight stayof the visitorsat Makolf Castle,neartheAustrianborder, where the Americans were created to cocktails, adinner,freepacketsof cigarettes, freepostcardswithviewsof Yugoslavia and free postage to mailthe postcardsto friends in America. Ahalf-dozen of the Americans walked a mile from the Castle on a Sunday morningat5:A.M.andgotindisputable 30 evidenceoftheholdof theChurchon Yugoslavs. The little church of St. Steph Atright:Expertroofer ans had only 60 pews and as Mass startedMargieS.imm on ssurall were filled with 30 standees.prisesdelegateFowler But outside the church in their Sundayand the Austrian roofing school directors with her best were 800 of the Makoli farmers andskillinuseofslater's their wives,who following the Mass, fellhammerandstake. in behindthepriesttoparade andprayBelow:leftandright aroundamile squarefield,blessingtheAustrianandU.S.contractorsinvisit toroofnationalized field.ingschool. SEPTEMBER,1962I I"