What does the author say is a factor contributing to the decline in traditional craftsmanship？
Automation makes it unnecessary to employ too many skilled workers.
B. People can earn more money in fields other than manufacturing.
C. Many people now tend to look down upon working with hands.
D. Young people no longer look upon skill as an important asset.
The expression "a mainstream classroom"(para 3) refers, to _.
A. the last blow
B. the last school
C. special schools
D. normal education
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