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Danger
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Danger
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Danger
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Danger
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Danger
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Respect the antimatter
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Caution Radiation
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Cryogenic Fluids Must travel unaccompanied
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What to avoid
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Beware of the strong magnetic field
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Persons with pacemakers must not enter this area
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Laser Controlled Area
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Danger Laser On
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A well defended fridge
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Danger Lethal Voltage.
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Danger Strong Magnetic Field
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Do not use portable telephones (from the early 90s)
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You must be trained to decant liquid nitrogen