Utilize empty time
Seeking opportunities within narrow, that's exactly the language used for these two young men.
Those who had been tired all day trading from morning till night and arrived when their store / store closed at night, the two young men then took out the table tennis equipment even though the field conditions were not supportive but the two young men took advantage of the time and arenanya conditions place).
Utilize the empty time to sweat that is with the sport of table tennis even though the field is in the shops / shops they are.