Early electrical workers used it as a coating to insulate coils, and molded it into stand-alone insulators by pressing together layers of shellac-impreg-nated paper.

早期的电力工人将它用作涂，缠绕在一起的线圈，还将注满了紫胶的纸一层层地压紧制成单独的绝缘物。

Kind of moisture expellable, smell preventive shoe is characterized by that the whole shoe liner is made into a form of gas pump which can expel the moist air out in the shoe.

本发公开了一种能湿防臭、鞋帮对脚部的压紧力大小可由调节气压来控制的，特别跟脚而又不影响整体外形的鞋。