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The use of materials made of lead in roofing and in water pipes is being discouraged. State:

      

The use of materials made of lead in roofing and in water pipes is being discouraged. State:
i) Two reasons why these materials have been used in the past
ii) One reason why their use is being discouraged

  

Answers


John
i)1. Lead is cheap
2. Lead is corrosion resistant

ii) Lead is poisonous or harmful

johnmulu answered the question on February 6, 2017 at 05:45


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