QUES: Do I fit snow chains on the front or rear wheels

correct the punctuation.

CORRECTED: Do I fit snow chains on the front or rear wheels?
Question: According to HMD Global the custodian of the Nokia phone brand the Nokia 2 should last two days on a single charge and comes with pure Android 711 Nougat
--
Answer: According to HMD Global, the custodian of the Nokia phone brand, the Nokia 2 should last two days on a single charge and comes with pure Android 7.1.1 Nougat.
Such functions play an important role in the study of the blowup phenomenon in a number of problems in geometry

Can you repeat this sentence, but add in punctuation?
Such functions play an important role in the study of the blow-up phenomenon in a number of problems in geometry.
input: Download one of the materialographic wallpapers below and enjoy
fixed: Download one of the materialographic wallpapers below and enjoy:
input ---- 48 times longer lifetime
output ---- 4-8 times longer lifetime
Add punctuation: joints become inflammed and painful
A:
...joints become inflammed and painful.