Lap Preparation in Combing | Sliver Lap Machine | Ribbon Lap Machine July 13, 2018 Trishna Mondal Etu 38.02K Combing Lap preparation is the process to prepare for combing process by making flat laps with combining multiple threads of carded slivers. It is the important step in the combing process, which influences the quality of the combed sliver. Read more Cost Saving in Cotton Spinning: Energy Efficiency and Innovative Solutions