This is the career level of this job family where employees are assigned responsibilities at the full performance level for performing a variety of routine tasks involving unskilled to semi-skilled manual labor or general repair and maintenance duties or assisting in the completion of various skilled tasks by performing basic tasks such as moving materials and equipment, mixing concrete, digging holes, tearing out walls, and similar duties. Assists skilled craft workers, including machinists, carpenters, plumbers, masons, electricians or welders by carrying materials and tools, picking up materials from suppliers or performing unskilled tasks, such as mixing concrete or mortar, digging holes and tearing out walls; moves furniture, oxygen tanks and other heavy equipment at an institution, building or site.