Innovative Modifications in Belt-Type Oil Skimmers: Performance Analysis of Polyurethane vs. PVC Belts and Adjustable Skimming Angles - Aher, Avinash; Dhaneshwar, Prof.Sonali; Deshmukh, Jaykhandu; Deshmukh, Shantanu; Gaikwad, Shashank (International Journal of Advance Research and Innovative Ideas In Education, 2024)