Illustration showing preparation of polyvinyl alcohol solution. Includes measuring ingredients PVA powder and deionized water. Mixing in a beaker on a stirrer. Heating on a hot plate with thermometer. Stirring for 30-60 minutes. Cooling to room temperature. Displaying final PVA solution ready for electrospinning. Labels for each step with technical terms, Illustration of polyvinyl alcohol solution preparation. Steps include measuring PVA powder and deionized water. Mixing in beaker on stirrer. Heating on hot plate with thermometer. Stirring for 30-60 minutes. Cooling to room temperature. Final PVA solution ready for electrospinning. Technical terms labeled for clear understanding