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breaknecking coarse-group cross section condenser system cutting down capital construction scale Dielectric Withstand Voltage Test Geithellur Hugh R. measurement of vibration quantity menthyl thiocyano-acetate methyl ortho-benzoylbenzoate object speckle on-scale equilibrium protocol distribution real essence sample spotter shipboard wind plotter skugged staphylococcalphage utahite valve grinder