Issuing body: international welding societies/schemes (e.g., Certified Welding Inspector; CSWIP 3.1/3.2). Validity: 3–5 years depending on scheme. Prerequisites: high school diploma; experience or ...
This development is a result of collaboration with the Petroleum Development Fund (PTDF). This development was made known by Nigeria Institute of Welding (NIW), Chief Solomon Edebiri. According to ...
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