This most interesting surname is a patronymic form of Huggin, which itself is a diminutive from the Old French personal name Hugh, which was introduced into England by the Normans after the Conquest of 1066.he surname is first recorded in the early 14th Century (see below), while other early examples include: Amisia Hugines, recorded in the Subsidy Rolls of Worcestershire in 1327; and John Hugyn, mentioned in the Feet of Fines of Staffordshire in 1337.
Any engineering drawing should show everything: a complete understanding of the object should be possible from the drawing. If the isometric drawing can show all details and all dimensions on one drawing, it is ideal. One can pack a great deal of information into an isometric drawing.
A plumbing drawing, a type of technical drawing, shows the system of piping for fresh water going into the building and waste going out, both solid and liquid. It also includes fuel gas drawings. Mainly plumbing drawing consist of Water supply system drawings, Drainage system drawings, Irrigation system drawings, Storm water system drawings. In water supply system drawing there will be hot water piping and cold water piping and hot water return piping also.