having septic tanks for each house
checking mixing of industrial waste with water bodies
use of degradable pesticides
all of the above
the upper flange
the web
the lower flange
Any of these
25 Hz
50 Hz
100 Hz
0.02 Hz
modulating voltage
any voltage
both (A) and (B)
none of the above
hobbing
boring
honing
broaching
Honing is a surface finishing operation used to give better surface finish with less material removal rate.