The man in long sleeve shirt is holding a ski board and wiping the board.  The man pour liquid in the sponge and wipe the board and then he used paper towel to wipe the board.  The young man is holding a pink sponge and polisher machine and began rubbing the board.  The young man get another board, then rub the pink bar to the polisher and began polishing the other board.  The man continue to rub the board using his polishing tools.