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Certified Lubricating Grease Specialist (CLGS)

Glossary Term

Definition and Purpose

A Certified Lubricating Grease Specialist (CLGS) is an individual who has demonstrated a comprehensive understanding of lubricating grease through the attainment of a certification from NLGI. This certification is achieved by passing a rigorous two-hour examination that encompasses a wide range of topics, including lubrication fundamentals, grease types, selection, manufacturing, applications, maintenance, and testing.


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