Here is the description for welding . It is a semi-automatic or automatic process that uses a continuous wire feed as an electrode and an inert or semi-inert gas mixture to protect the weld from contamination.
layout of building with ov
Detail of pile dwg dwng
Concrete aqueduct
Metallic gate type section
Foundation plan with const
Type valve boxes elevation
Furniture wall elevation d
Ramp Plan AutoCAD File
Arc shape planning detail
Foundation plan and sectio
fire-hydrant section desig
Suspended building ceiling