QUESTION: Fix punctuation: The featured China GuangDong fireworks light FWLS4 manufacturers and listed here are sourced by the karnar lighting
ANS: The featured China GuangDong fireworks light FWL-S4 manufacturers and listed here are sourced by the karnar lighting.

QUESTION: Fix punctuation: Background information 2 How a vanadium redox flow battery works
ANS: Background information 2: How a vanadium redox flow battery works

QUESTION: Fix punctuation: A very special thank you to Recoll
ANS: A very special thank you to Recoll.

QUESTION: Fix punctuation: The rheumatoid factor ANA sed rate and Creactive protein tests can also be abnormal in other systemic autoimmune and inflammatory conditions
ANS:
The rheumatoid factor, ANA, sed rate, and C-reactive protein tests can also be abnormal in other systemic autoimmune and inflammatory conditions.