Welders fuse metal together using intense heat to create parts for a project or to reinforce structures. They work in a wide range of industries, including manufacturing, construction, automotive, aerospace, health care, maritime, and oil drilling. Entry-level welders typically train on the job and start out as an assistant to an experienced welder to learn the trade. As an entry-level welder, you help the primary welder execute projects according to the client’s specifications and needs. You must you must be able to read blueprints, follow technical instructions, and understand the properties of different welding metals, including brass, aluminum, and stainless steel.