Knowledge of JIS Standard Tests × Personality Traits: High Concentration
2 jobs found.
Dyeing Test Worker (Chemical)
A profession that evaluates color differences and durability of dyes applied to fibers and materials based on various standards to ensure quality.
Quench and Temper Operator
A job that uses heat treatment furnaces to perform quenching and tempering on metal parts, adjusting mechanical properties such as hardness and toughness.