Question
Differentiate between fumigation and spraying.
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Fumigation
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Spraying
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In this in a sealed area a highly lethal gas is sprayed which is quite harmful
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In these gases that are used are not lethal to a very high extent.
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In this area is not sealed after the fumigation process and entry of persons is banned for a certain period of time
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In this area is not sealed and it also allows entry of people just after few time.
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This is performed in many laboratories or factories at a very large scale where biosafety is a major concern
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It is perfomed in houses, fields just to control pests.
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For example Ethylene dibromide is used in fumigation process
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For example malathion is used as a chemical in spraying.
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