CRH - Mulzer Crushed Stone Inc. [Fabricator] As a Welder at CRH, you'll: Interpret basic drawings, including plan, isometric and sectional views; Maintain an average efficiency rate of 85% or above as determined by management; Demonstrate safe and effective use of hand tools related to welding duties; Routinely perform cleaning procedures and replace consumable parts specific to your machine...Hiring Immediately >>