This app is useful to learn welding Symbols & their meaning Which are in fabrication Drawing. This app has shown fillet weld Joint of Different Types which are most widely used in engineering Drawing. This app has also described various Butt weld joints Which are Used in Engineering Drawing. This app has Basic Symbols of Welding Joints. This is helpful for all working professional in the field of pressure vessel, heat Exchange, Storage Tank, Agitator, Reactor, Vertical column and any other Engineering Equipment manufacturing.