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: It is a united church established on 29 November 1970 by bringing together the main Protestant churches working in northern India ; it is a province of the worldwide Anglican Communion .

SOLUTION: The Church of North India ( CNI ) , the dominant United denomination in northern India , is a united church established on 29 November 1970 by bringing together the Anglican and Protestant churches working in northern India ; it is a province of the worldwide Anglican Communion .

PROBLEM: Mac OS X Tiger ( version 10.4 ) is the fifth major release of Apple 's Mac OS X.

SOLUTION: Mac OS X Tiger ( version 10.4 ) is the fifth major release of Mac OS X ( now named macOS ) , Apple 's desktop and server operating system for Mac computers .

PROBLEM: In chemistry , curing is the name of a process that strengthens the links between polymers .

SOLUTION:
Curing is a chemical process employed in polymer chemistry and process engineering that produces the toughening or hardening of a polymer material by cross-linking of polymer chains .