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  • Miniature ball bearings: Handle with care
    . For users, a clean room or laminar flow workbench is recommended but not required for most assembly jobs, provided certain precautions are taken. Never handle miniature bearings with bare hands. Lubricant protects internal raceways but skin acid can attack unprotected outer surfaces. Keep bearings
  • Use of Natural Gas/Bunsen Burner within a Biological Safety Cabinet
    effect. Additional References: NFPA 54, National Fuel Gas Code. NFPA 45, Standard on Fire Protection for Laboratories using Chemicals. NSF Standard 49, Class II (Laminar Flow) Biohazard Cabinetry. EN 12469. CDC-NIH, Biosafety in Microbiological and Biomedical Laboratories. GTB0121. 2. REV 2 9/05

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