Give two advantages of smokeless chulhas over traditional chulhas.
(N/A) $(i)$ They have higher thermal efficiency and produce significantly less smoke,which improves indoor air quality.
$(ii)$ They are scientifically designed to ensure complete combustion of fuel,leading to lower fuel consumption and reduced environmental pollution.
$(ii)$ They are scientifically designed to ensure complete combustion of fuel,leading to lower fuel consumption and reduced environmental pollution.
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