ออกฤทธิ์โดยสัมผัส, ได้รับพิษโดยการสัมผัส [การแพทย์] Contact stage, a fragile stage so pivoted concerning tilt when two areas of a measuring apparatus occur into contact with one another; -- Utilized in exact determinations of lengths and within the exact graduation of devices. [ 1913 Webster ] Ebooks In-depth guides on dozens of subjects https://readmore10842.blog5.net/73746696/the-best-side-of-click