Define ranging rod

 A ranging rod is a surveying instrument that is used to mark the location of stations, as well as to sight those stations and to range straight lines. These were originally made of light, thin, and straight bamboo or well-seasoned wood like teak, pine, or deod...

Blueprint symbols for Electrical

 Hi, are you an electrical engineer or technician, and looking for Blueprint symbols for Electrical. then you visited the correct blog. A few days ago I was also looked for the same and I have checked a lot of websites and killed my time too. My friend suggested...