Supply the correct forms of the verbs. 1. Ear protection (to require) in machinery space. 2. Many operations on board ship (to be) dangerous. 3. A lot of equipment (to be) very complex. 4. Maintenance equipment should (to keep) in good condition. 5. You will injure your hands if you (not wear) gloves.

EvGeniusYT    2   28.06.2020 18:29    2