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.
Detail drawing of potable
Beam and column section de
Roof truss deck solution w
Reinforcement detail drawi
Effluent plant plan layout
Classroom and kitchen cons
Compound wall design drawi
Foundation plan and sectio
Longitudinal profile plane
Detail construction stairw
Details of a wooden ventil
Water bridge machine
