Complex sentence: Ratings in the Royal Navy also carry trade badges on the right sleeve to indicate their specific job (the information carried on the left arm is the individual's rate-e.g. a leading rate, commonly called a leading hand).
Split into simpler sentences: Ratings in the Royal Navy include trade badges on the right sleeve to indicate a specific job. The information on the left arm is the individual's rate-e.g. a leading rate (commonly called a leading hand).