Question: there are many reasons for a header file corruption some of them include bad sectors on hard disk, abnormal termination of the system or power failure when file in use, interruption while downloading the mov file and many others. apart from header corruption there are many other reasons due to which mov file gets corrupt, few are discussed below:
Answer: --> There are many reasons for a header file corruption some of them include bad sectors on hard disk, abnormal termination of the system or power failure when file in use, interruption while downloading the MOV file and many others. Apart from header corruption there are many other reasons due to which MOV file gets corrupt, few are discussed below:

Question: help diego clean the streets with his tractor
Answer: --> Help Diego clean the streets with his tractor

Question: what time will it take for this to happen again? (both hands move at constant rates)
Answer:
--> What time will it take for this to happen again? (both hands move at constant rates)