QUESTION: Fix punctuation: Again looking at porous media Kochina studied the flow of fluids into oil wells and the problem of the motion of subterranean water in a medium composed of horizontal strata of ground of various permeabilities
ANS: Again looking at porous media, Kochina studied the flow of fluids into oil wells and the problem of the motion of subterranean water in a medium composed of horizontal strata of ground of various permeabilities.

QUESTION: Fix punctuation: George is my name make his parallel parking the replay
ANS: "George is my name" make his parallel parking, the replay...

QUESTION: Fix punctuation: The PowerPC is a RISC microprocessor architecture developed by IBM Motorola and Apple The PowerPC architecture allows both 64bit and 32bit implementations the 64bit implementation includes the 32bit implementation
ANS: The PowerPC is a RISC microprocessor architecture developed by IBM, Motorola and Apple. The PowerPC architecture allows both 64-bit and 32-bit implementations (the 64-bit implementation includes the 32-bit implementation).

QUESTION: Fix punctuation: Competition entries may be published during marketing
ANS:
Competition entries may be published during marketing;