Public liability insurance insures you against claims that may arise from third parties for personal injury caused to them or damage to their property while you are carrying out normal business operations.
Product liability insures you in respect of the same type of claims but caused by any of the products and/or services that you manufacture or sell.
Public and Products Liability Insurance can include.
Third party Personal Injury
Third party Property Damage
Advertising Injury
Optional Cover: Errors and Omissions (Link back to Professional Indemnity)