Заполните пропуски в инструкции следующими словами
1. No 1 _______ is permitted anywhere on site.
2. Safety harnesses must be worn at heights.
3. Crane operators must 2 _______ have an assistant.
4. Cable must be attached to crane 3 _______.
5. 4 _______ operator must check that the ground is level.
smoking
always
loads
Crane