Obtaining Gemological Training. 1  1. Match your desired career path to a gemology school. 2  2. Enroll in a comprehensive diploma program. 3  3. Enroll in a gemologist certification program.  4. Take the courses specific to your 1  program. 5. Take a comprehensive final exam.  6. Obtain an apprenticeship.
Russia launches its most powerful submarine ever, capable of blasting nuclear warheads at targets 1,500 miles away. Russia has launched its most powerful submarine ever which is said to be capable of blasting nuclear warheads at targets 1,500 miles away on land. The Project 885 Yassen class fourth-generation Kazan nuclear submarine has been under construction since 2009 ahead of its launch on Friday Severodvinsk in northern Russia.
Backâ¦ Click HERE to read Part 1 of our Mega Engine Series. The Emma Maerskâs Wartsila-Sulzer RTA96-C turbocharged two-stroke diesel ship engine is the most powerful and most efficient prime-mover of super ships in the world today. The RTA96-C is the largest engine in the world and is available in 6 through 14 cylinder versions, all are inline engines. These engines were designed primarily for very large container ships but similar large diesel engines run large ships of all kinds.