A professional who weighs and blends powdered ingredients to form priming mixtures for small arms ammunition. Respnsibilities include:

• Weighs specified amounts of pulverized and sifted ingredients and filters them by hand in prescribed order through silk screen onto blending paper.
• Lifts each corner of paper and pulls slowly toward diagonally opposite corner to fold and blend powder until examination of color shade indicates blending is accomplished.
• Pours mixture from paper into cardboard containers and marks containers with identifying data.