Armed security guard, police, army/military and law enforcement officer, aircraft tester, air or ship crew, animal trainer, fireman, seaman or sea fisherman, diver, explosives handler, jockey, oil rig worker, person engaged in demolition of buildings, person working in acid/chemical factory (hazardous) works, professional entertainer, professional sportsman or sportswoman, quarry worker, racing driver, railway manual worker, sawyer and timber logging worker, steeplejack, stevedore, underground tunneling and mining, window cleaner (more than 3-storey building), and woodworking machinist. 

Age Limit of Entry:
From 16 to 65 and renewable up to 80 years.