QUESTION: Fix punctuation: Rheumatoid arthritis RA is an autoimmune disease that causes chronic inflammation of the joints
ANS: Rheumatoid arthritis (RA) is an autoimmune disease that causes chronic inflammation of the joints.
QUES: SMDRF06 is one of smart IOT smoke detectors which is using photoelectric smoke detection technology The principal of photoelectric smoke detection is that usually the light receiver inside smoke detector will continuously receive light from emitter however while smoke come inside detector partial of light received will be blocked by smokeand while the light volume is getting lower under an alarm limit alert will be issued immediately

correct the punctuation.

CORRECTED: SMD-RF06 is one of smart IOT smoke detectors which is using photoelectric smoke detection technology. The principal of photoelectric smoke detection is that usually the light receiver inside smoke detector will continuously receive light from emitter, however, while smoke come inside detector, partial of light received will be blocked by smoke,and while the light volume is getting lower under an alarm limit, alert will be issued immediately.
Question: Dont begin this cycle of hardening your heart
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Answer: Don't begin this cycle of hardening your heart.
Here you can buy cheap knitted winter hats and order online

Can you repeat this sentence, but add in punctuation?
Here you can buy cheap knitted winter hats and order online!
input: These include having a game bot or a support channel for a good cause
fixed: These include having a game bot, or a support channel for a good cause.
Give it a chance If you dont like it you can always turn it off I know t are some types of music I cant stand no matter how much I try to give it a chance

Can you repeat this sentence, but add in punctuation?
,. Give it a chance. If you don't like it, you can always turn it off. I know t are some types of music I can't stand, no matter how much I try to give it a chance.