non-conducting materials for retaining cold, namely, insulating materials; insulating materials made of polyethylene foam; non-conducting refractory materials for building, namely, insulating materials; duct tapes; adhesive tapes, other than stationery and not for medical or household purposes; non-conducting materials, namely, insulating materials; non-conducting materials in the form of pipe, namely, rubber pipes; non-conducting materials for retaining heat of boiler, namely, insulating mat...