Show TEST TEST AND TEST ia 70 w Z ice 4 AMERICAN industry according to consumer information surpasses that of 0 any other country in its exact methods method of testing products and so as suring lurlne maximum performance armance before passing them on to the tha user one com piny reports for or instance that 25 of 0 its it labor and cost of 0 production goes into testing above are shown hown tests of two of the different operations which go into the manufacture of their vacuum cleaners the young lady is balancing the tan an an intricate job in which she puts tiny drops of solder on the light side until the balance is perfect inset operator testing air passage suction power and wattage on a government test block |