Minimum Qualification: Mathematical aptitude Ability to read blueprints and specifications Ability to read measuring devices such as ruler, caliper, dial indicator, micrometer and scale Ability to build wood skids using basic carpentry skills Ability to make minor repairs to water tanks using basic plumbing knowledge Manual dexterity and ability to use all hand tools in order to set up and operate extruder, puller and saw Ability to lift up to 55 pounds and carry objects while climbing up and down a ladder