Before revision: Detailed engineering is a service which is delivered for example by global engineering companies such as Detail engineering , Outotec, Hatch, Amec Foster Wheeler, Ausenco, SNC-Lavalin, Techint and Jacobs Engineering.
After revision: .<ref>cite URL engineeringDetailed engineering is a service which is delivered for example by global engineering companies such as Detail engineering , Outotec, Hatch, Amec Foster Wheeler, Ausenco, SNC-Lavalin, Techint and Jacobs Engineering.