Hairpin Bender na Tube Cutting Machine Bee ma gbadaa tube ọla kọpa ahụ ka ọ bụrụ ọdịdị, wee jiri ahịrị pịa fin tụọ foil aluminum n'ime ntù. Na-esote eriri tube ahụ, hapụ tube ọla kọpa gafere n'oghere fin, wee gbasaa tube ahụ iji mee ka ha abụọ dabara nke ọma site na ịgbasa vetikal ma ọ bụ gbasaa kwụ ọtọ. Mgbe ahụ wedo interface tube ọla kọpa, pịa ka ịlele maka ntanye, kpọkọta ihe nkwado ahụ, na ngwugwu mgbe ị gafechara nyocha nke ọma.