A professional who tends machines that grind and mix ingredients, such as glue, dyes, water, chemicals, and resins, according to specifications, to produce compounds used in heads and striking surfaces of kitchen, penny, and book matches. Respnsibilities include:

• Dumps chemicals, dyes, and other ingredients into sifting and grinding machines and starts machines to sift and grind ingredients, according to specifications.
• Dumps or pours specified quantities of ingredients into mixing machine and starts machine to mix ingredients, according to specifications.
• Measures viscosity of ingredients, using viscometer.
• May submit sample to laboratory for testing.