Varicose veins are veins venous valve function damaged, mostly congenital causes, and long standing or long time to maintain a posture is its inducement of.
He continues a long-standing artistic tradition of imagining the end of civilization, a form of emotional and spiritual escape valve operated since man found a means to express himself.
他长期以来保持着对文明终结的艺术性想象，这是一种情感和精神的宣泄形式，并以此表达自我。
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Standing operating machine with remote controlled hydraulic valve button does not require the operator to bend over to lock nuts and is in accordance with theories of Ergonomics.