History of materials science
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Respirator
Air filter
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Eye protection
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Sawdust
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Sanding block
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Confined space
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SWAT 3: Close Quarters Battle
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Breathing mask
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Breathing apparatus
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Combine (Half-Life)
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Tear gas
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Air purifier
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Ronald Maddison
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Jean-François Pilâtre de Rozier
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Woodturning
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Oxygen sensor
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Otto fuel II
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Laborer
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Avatar (computing)
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Nanomaterials
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Surgical mask
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Emi Shinohara
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Denatonium
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HEPA
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Silicosis
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John Stenhouse
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Ovadia Yosef
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Plague doctor
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National Institute for Occupational Safety and Health
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APR
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Respiratory syncytial virus
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Breathing gas
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Check valve
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Activated carbon
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Compressed air
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Self-contained breathing apparatus
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Mechanical ventilation
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Cutting fluid
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Ventilator
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John Tyndall
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Mask
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Filter paper
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Hair removal
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Firefighter
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Knapping
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Moscow theater hostage crisis
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Three Mile Island accident
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Cancer
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Common cold
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Pneumonic plague
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Filter mask
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