Question: due to virus infection or sudden loss of power, the header of rar file gets corrupted which eventually makes the rar file inaccessible for the user
Answer: --> Due to virus infection or sudden loss of power, the header of RAR file gets corrupted which eventually makes the RAR file inaccessible for the user

Question: stand upright slightly swaying your lower back and keeping good contact to the chest cushion.
Answer: --> Stand upright slightly swaying your lower back and keeping good contact to the chest cushion.

Question: - safety designed insulated bnc connector
Answer:
--> - Safety designed insulated BNC connector