Kikuchi in Gunma factory work as well in the same time, curing rare trouble filling in rainy weather. Measures to avoid the rainy day of work. In addition, there is the experience of the purge. It's odd ethyl acetic anhydride in the drum rises and water content. The subcontractor, hardener, ethyl acetate, anhydrous liquid is sealed to the nitrogen purge. In Vietnam, there is no cure and trouble.Their scheme hardener to open from the inside of the drum, the drum with hardener solution in ethyl acetate anhydrous, diluted with small mouth is filled with nitrogen gas into the nozzle mouth big cock. Change point, it is not as important as it was. At
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