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Antonija Posted 20 years ago
Vocabulary

poisonous layers

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Please tell me if it is correct.Thank you

Agents for purifying/cleaning lead and for prevention against accumulation of poisonous layers on the engine: ethilen di-chloride (EDC) and ethilendi-bromide (EDB) which were added to the petrol until 1989, are no longer used because of their toxicity.
  

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Agents for removing and preventing the accumulation of poisonous layers of lead on the engine: ethylene di-chloride (EDC) and ethylene di-bromide (EDB), which were added to the petrol until 1989, are no longer used because of their toxicity

— Alan.es

  • Agents for removing and preventing the accumulation of poisonous layers of lead on the engine: ethylene di-chloride (EDC) and ethylene di-bromide (EDB), which were added to the petrol until 1989, are no longer used because of their toxicity
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Agents for removing and preventing the accumulation of poisonous layers of lead on the engine: ethylene di-chloride (EDC) and ethylene di-bromide (EDB), which were added to the petrol until 1989, are no longer used because of their toxicity
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