Original sentence: For example, in the leisure industry first aid training is commonplace, and training providers such as MG Training UK Ltd and the Swimming Teachers Association are providers for this industry.There are, however, smaller companies that offer first aid training for specific markets
Edited sentence: The leisure industry is a particular industry where First Aid Training is commonplace and training providers such as MG Training UK Ltd (www.There are, however, smaller companies that are offering highly efective First Aid Training for specific markets.uk) and the Swimming Teachers Association (www.uk) are to excellent providers for this specific industry