Keywords: common law duty, gas explosion, joint liability, multiple parties, negligence, non-delegable duty, personal injury, statutory duty, Unity Grammar College This content is restricted to site members (it's free to register). If you are an existing user, please log in. New users may register below.Existing Users Log InUsername or EmailPassword Remember Me New User RegistrationChoose a Username*First Name*Last Name*Phone*Email*CompanyPassword**Required field