A core is your old worn out (yet still rebuildable) engine or part that is required as a trade in when you purchase a remanufactured or sometimes a new one. An acceptable core or rebuildable core is one that is not broken, damaged beyond repair, or so severely cracked that is can no longer be machined back to proper working condition.
Jamaica is part of the continent of North America. North America includes Canada, the United States, Mexico, and the islands of the Caribbean Sea.
Jamaica's located in the Atlantic ocean, south of Cuba in the  CARIBBEAN SEA.   Jamaica is located in the Caribbean Sea, south of Cuba, and West of  Haiti and the Domini â¦ can Republic, and North of South America.