Answer:
File details is the correct answer for PLATO users
The most common is usually lead found in the glass or some circuits in rare cases
The gear ratios would look like A:B=1:9 and C:D=1:32 if you are just needing the gear teeth ratio. Not a lot of information to go off of from the question though
Getting the answers to my homework :p
Hello!
My best guess is you would have to use mediocre satellites that float over for internet connection.