Use roll bending machine to bend metal pipe and tubing. Different bending machines exist to handle each of these two different types of metal conduit. Hand-held machines clamp to a work surface for stability and bend thin metal tubing. Larger, heavy-duty hydraulic machines connect to air pumps to increase torque and bend thick metal pipe. Each machine usually comes equipped with an angle-measure to ensure the proper degree of bend. Identify whether tubing or pipe needs bending, and chose the appropriate bending machine for the job.Whereas are there any guidances or detailed operations?