Question: another strange coincidence or is it just coincidence?
Answer: --> Another strange coincidence or is it just coincidence?

Question: to collect adults, anesthetize the flies using carbon dioxide (co2) and separate by sex.
Answer: --> To collect adults, anesthetize the flies using carbon dioxide (CO2) and separate by sex.

Question: 271100 manufacture of electric motors, generators and transformers
Answer:
--> 271100 Manufacture of electric motors, generators and transformers