the deterioration of many municipal pipeline networks across the country is a growing concern. one technology proposed for pipeline rehabilitation uses a flexible liner threaded through existing pipe. an article reported the following data on tensile strength (psi) of liner specimens both when a certain fusion process was used and when this process was not used. no fusion 2758 2710 2645 2812 2521 3139 3257 3223 3220 2753 m