The main components of smog are nitrogen oxides,
volatile organic compounds, peroxyacytyl nitrate and tropospheric ozone. Smog
is a mixture of air pollutants which are altered due to exposure to sunlight.
There are hundreds. Would you like a general region?
Answer:Thus, the only solution is to use additive technologies of layer printing by metals, in particular, the so-called selective laser melting.
Explanation:
