The disadvantages of techonoly technology

However, disadvantages and advantages are coexisting coexist. On the one hand, technological products has have replaced a large number amount of human labor, accordingly they lay off the rising of unemployment rate [I don't know what this means] and lead to social unset. On the other hand, massive amounts of traditional air arts and crafts which were popular in the past will vanish and a part of culture will be gone with them too. In addition, with the development of industry the environment is also facing great challenges, such as serious pollution and consumption of limited natural resources, etc. As a the saying goes, every coins coin has two sides.

Great job! Only a few mistakes.  I understood the point of every sentence, except for the part highlighted in blue.