The second - a purely physical labor, but are necessary and certain knowledge for him to be able correctly to apply their efforts.
The second - a purely physical labor, but are necessary and certain knowledge for him to be able correctly to apply their efforts.
user
Другий - чисто фізична праця, але для нього необхідні і певні знання, щоб правильно зуміти докласти свої зусилля.
assistant