What does remote sensing mean?
- A set of techniques used to detect pollution remotely
- A set of means used to inform the public of an accident
- A set of people able to detect an accident
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What is an explosimeter?
- An instrument that determines the explosion risk
- An explosive used to scuttle vessels
- An instrument used to measure the size of an explosion
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What is the place a vessel in difficulty is towed to called?
- Place of prevention
- Place of refuge
- Place of surveillance
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Floating booms are used to:
- Prevent fish from passing
- Contain liquids floating at the water surface
- Filter the water
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Special industrial waste is incinerated in furnaces at temperatures of up to:
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