см. тж. вступать в эксплуатацию
• The first units are unlikely to become operational until early next year.
• The refinery will come ( or go ) on stream in 1995.
• A new haulage system will soon go into operation .
• The new plant will go into production next year.
• The unit goes on line in December.
• A new particle accelerator has been commissioned .
• The fighter plane will soon enter ( or come into ) service .
• Efforts are being made to modify the fertilizer manufacturing process so that phosphate deposits of lower grade can come into play .