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Glossary

Listview for the terms

Nano materials
Natural, incidental or manufactured material containing particles, in an unbound state or as an aggregate or as an agglomerate and where, for 50% or more of the particles in the number size distribution, one or more external dimensions is in the size rang
Nanofilter
see HEPA filter
Nanometre
Millionth part of one millimetre [nm]
Needle felt
Needled, solidified fibre fleece
Nekal
Outdated for leakage test / liquid leak detector
NIOSH
National Institute for Occupational Health
NOEL
No Observed Effect Level
Nomex®
Aromatic polyamide (m-Aramid)
Non-ferrous metal
General term for different metals
Nozzle holder
Part of the cleaning equipment
Nozzle tube
Equipment of the cleaning system that is rigidly installed and removable.

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