will often work with an apprentice, sometimes called a tacker/helper. The position is characterized by problem solving... tandem with a less experienced man, called a tacker/helper or 3rd class pipefitter. Lifting and carrying are controlled...
. An experienced pipefitter will often work with an apprentice, sometimes called a tacker/helper. The position is characterized... will work in tandem with a less experienced man, called a tacker/helper or 3rd class pipefitter. Lifting and carrying...