Welders carry out the day-to-day repairs a good oil system. They also build new metalwork when recommended. When there is a big project, the oil services contractor will hire additional welders for the duration of the project to accelerate its finish. Unlike roustabouts, welders may need some form of trade certification (CITB involving UK, AWS in the US). These certifications are rigorous and want to be renewed persistently. Typical salaries are around $60,000. Compare this to the common salary associated with manufacturing sector - $30,000 based on 2004 studies.
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