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In households using natural gas tank is almost on a more or less will encounter some problems, such as: do not know how many tanks of gas left, do not know whether the gas valve is tight.So I designed this product to resolve the secend problem by inducing visual and sensory touch.By testing the pressure tank to know how much gas tank left .
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY EASTERN INTERNATIONAL ART COLLEGE
ZHENGZHOU, China
DING WANG,
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY EASTERN INTERNATIONAL ART COLLEGE
