Original sentence: A ship's carpenter specializes in shipbuilding techniques (see also shipwright) and carpentry specific to nautical needs; usually the term refers to a carpenter who has a post on a specific ship.Since most of carpentry's required knowledge is gained through experience, the profession can be relatively easy to enter (this varies with the legal requirements from country to country), but the job may not pay well.The work generally involves significant manual labor and work outdoors, particularly in rough carpentry
Edited sentence: A ship's carpenter is a carpenter specializing in shipbuilding techniques (see also shipwright) and carpentry specific to nautical needs; usually the term refers to a carpenter who has a post on a specific ship.Since most of carpentry's required knowledge is gained through experience, the profession is relatively easy to enter, but the job may not pay well, and involves significant manual labor and working outdoors