TASK DEFINITION: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
PROBLEM: Vacheron Constantin is one of the oldest watchmakers .

SOLUTION: Vacheron Constantin is one of the oldest watch manufacturers in the world with an uninterrupted watchmaking history since its founding .

PROBLEM: Restorationism , also called Christian primitivism is a movement that tries to restore to model itself after what is known or believed of the Early Church .

SOLUTION: Restorationism ( or Christian primitivism ) is the belief that Christianity has been or should be restored along the lines of what is known about the apostolic early church , which restorationists see as the search for a purer and more ancient form of the religion .

PROBLEM: Black start is the process to start up in a power station from zero , without the help of power from the grid connected to the station .

SOLUTION:
A black start is the process of restoring an electric power station or a part of an electric grid to operation without relying on the external electric power transmission network to recover from a total or partial shutdown .