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A - occupational safety and health
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B - physics, chemistry and natural phenomena
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C - inorganic chemicals
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D - organic compounds
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E - enzymes
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F - natural products and substances
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G - industrial products
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H - equipment, workplaces and operations
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I - equipment, workplaces and operations (2)
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J - equipment, workplaces and operations (3)
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K - work and industrial organization
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L - fire, explosions
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M - occupational pathology
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N - occupational pathology (cont.)
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P - physiology, anatomy, psychology
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Q - measurement and investigation
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R - medical prevention and treatment
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S - safety and health engineering
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Sa - safety engineering
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Se - health engineering
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Sed - dust control
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Seda - dust suppression at source
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Sedas - sealing of dust sources
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Sedaw - wet dust control
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Sedawd - wet drilling
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Sedawi - water infusion
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Sedawo - water stemming
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Sedaws - water spraying
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Sedawt - steam application
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Sedawu - foam application
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Sede - suppression of airborne dust
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Seded - dust collectors
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Sededa - inertial dust collectors
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Sededai - impingement separators
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Sedede - centrifugal dust collectors
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Sededec - cyclones
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Sededi - filter dust collectors
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Sededo - wet dust collectors
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Sededu - electrostatic precipitators
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Sededy - collection efficiency
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Sededyf - fractional collection efficiency
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Sedeg - electrical agglomeration
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Sedes - acoustic coagulation
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Sedi - suppression of deposited dust
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Sedic - consolidation of deposited dust
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Sedif - removal of deposited dust
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Sedu - treatment of dust
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Seduc - chemical treatment of dust
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Sedum - mechanical treatment of dust
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Sedut - thermal treatment of dust
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Seg - gas cleaning
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Sega - gas absorption
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Segd - gas adsorption
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Segdo - molecular sieve adsorption
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Segi - gas scrubbers
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Sego - mist eliminators
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Segu - afterburning
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Sei - implementation of control measures
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Sel - lighting and colour
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Seli - lighting
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Selin - natural lighting
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Selino - rooflighting
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Selir - artificial lighting
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Selire - spotlighting
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Selirf - floodlighting
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Selirl - local lighting
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Selirp - portable lighting
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Selirpa - cap lamps
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Selirpe - flame safety lamps
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Selirr - light refraction grids
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Selirs - safety lighting
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Selirt - transillumination
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Selo - illumination design
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Selu - colour schemes
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Sen - noise and vibration control
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Sena - noise control
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Senab - sound absorption
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Senaba - sound absorbing materials
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Senabc - sound absorption coefficient
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Senaby - sound attenuation
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Senan - antiphase noise
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Senas - silencers
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Senase - exhaust silencers
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Senash - Helmholtz resonator
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Senav - sound isolation
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Senava - sound shielding
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Senave - acoustic enclosure
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Senavi - soundproofed shelters
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Senavu - sound transmission loss
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Sene - vibration control
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Sened - vibration damping
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Seneda - vibration damping materials
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Senedat - temperature-frequency relationship
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Senede - antivibration mountings
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Senedi - shock absorbers
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Seni - vibration isolation
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Sep - pollution control
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Sepc - containment of spills
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Sepe - ecotoxicology
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Sepg - limitation of gas spread
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Seq - infection control
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Seqa - disinfection of air
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Seqb - biosafety cabinets
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Seqe - disinfection of equipment
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Seqi - disinsectization
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Ser - radiation protection
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Serd - decontamination
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Serde - decontamination of equipment
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Seri - internal contamination protection
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Sero - external radiation protection
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Seroc - containment
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Serog - glove boxes
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Seroh - hot boxes
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Seros - radiation shielding
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Sev - ventilation
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Seva - natural ventilation
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Seve - mechanical ventilation
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Sevel - exhaust ventilation
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Sevelo - local exhaust
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Sevelod - exhaust devices
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Seveloh - exhaust hoods
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Sevelor - rim exhaust
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Sevem - mine ventilation
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Seven - negative pressure application
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Sevep - pressurization
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Sevi - emergency ventilation
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Sevo - location of air inlet
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Sevu - ventilation design
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Sevur - air exchange rate
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Sevut - tracer gases
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Sevy - ventilation systems
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Sew - air conditioning
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Sewc - cooling
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Sewh - heating
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Sewha - air curtains
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Sewi - air humidification
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Sewo - air dehumidification
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Sewp - air purification
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Sewpo - odour control
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Sewu - air-conditioned premises
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Sewuc - air-conditioned cabins
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Sf - fire protection
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Sg - explosion protection
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Sh - hazard identification
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Si - signalling and communications
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Sk - housekeeping
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Sm - preventive maintenance
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Sn - protection against natural phenomena
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So - escape and rescue
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Su - substitution
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Sy - neighbourhood protection
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Sz - major hazards
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T - personal protective equipment
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V - safety and health organization
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W - groups of persons
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X - industries
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Y - occupational accidents
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Z - generalities
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1 - Africa
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2 - America
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3 - Asia
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4 - Europe
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5 - Oceania
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6 - geographical areas
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7 - international governmental organizations (non UN)
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8 - UN organizations
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9 - international non-governmental organizations
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