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CHEMIAMY Sections | 44 |
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American amount appliances Association average boiler burner capacity carbon cent charge Chicago coal coke Commission complete connection consumers continued cost cubic feet effect efficiency Electric engineer expense fact field figures flame fuel furnace gas company give given heat heater hour important inch increase industry installation interest Iron issue less Light loss manager manufacture material means meet meter method Michigan month natural gas necessary obtained operation oven period pipe Pittsburgh plant ports possible pounds practically present pressure production range ratio reduced securities sell Serv shown standard steam steel supply temperature tests tion United utility water gas York