Hoʻohana ʻia ka mea wedge wedge welder i ka hoʻolālā kiʻekiʻe, me ka mana kiʻekiʻe, ka wikiwiki kiʻekiʻe a me ka ikaika ikaika; kūpono no 0.2-3.0mm mānoanoa wela hoohehee mea e like me PE, PVC, HDPE, EVA, PP. Hoʻohana nui ʻia kēia welder ma ke alaloa / alahao, tunnels, subway urban, aquaculture, conserver wai, wai ʻoihana, mining, landfill, sege treatment, waterproofing projects etc.