The most advanced technique is the Automatic technique. It is usually employed when large projects need to be eventuated with minimum wastage. This technique is highly advisable for generic Duct designs using the most commonly available components and accessories.
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manual Fabrication as the name suggests involves skilled duct fabricators, cutting and shaping the materials as per the design requirements. This method is usually employed for complex design components involving meticulous calculations and tight-fit scenarios.
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