Укажите, какой части текста (1, 2, 3, 4) соответствует следующая информация:
Machine operators should be specially trained and authorized in order to work with machine tools; besides, they should follow a number of self-protective rules.
Укажите, какой части текста (1, 2, 3, 4) соответствует следующая информация:
Machine operators should be specially trained and authorized in order to work with machine tools; besides, they should follow a number of self-protective rules.