You can find out when most of the Mersch families immigrated to the United States. You can focus your search to immigration records dating from that era. Immigration records can tell you an ancestor's name, ship name, port of departure, port of arrival and destination.
What is a System Requirements Specification (SRS)? A System Requirements Specification (SRS) (also known as a Software Requirements Specification) is a document or set of documentation that describes the features and behavior of a system or software application.
Product Requirement Specification (PRS). Its aim is to ensure that the subsequent design and development of a product meets the needs (or requirements) of the user. Product design specification is one of the elements of product lifecycle management.ts aim is to ensure that the subsequent design and development of a product meets the needs (or requirements) of the user.