... light and space saving, 2,Economic material benefit, 3,Replace double-sided tape, 4,More efficient and more mobile. Gluing Method ... shoes.(3)Optional scraper nozzle(2-10mm wide) can replace double-side tape.(4)Twin hard gluing pipe/nozzle assenbly to ... save cost.(5)More efficient and more mobile. N104P2 double spraying machine (pump type)