Engineering Wide-spectrum meta-surface polarizer Microwave generator with modulation cavity Dual-Shaft Centrifugal Compressor Digital Text Preserving Oil Painting Aluminium Magnetite Based Magnetic Hyperthermia for Cancer Treatment Nanocarrier Based Targeted Genetic Material Delivery Optimal Battery Charger With Dual Source Neuro-Inspired Charge Trapping Transistor Pneumatic Air Regulator A Wavefront Sensing System Impidimetric Electronics Device for Electrochemical Analysis Shoe Assisted Locomotion Device for Handling The Molten Metal Device for Fluid Agitation Self Illuminating Cheek Retractor Grid integrated Ev Charging Station Automated O-ring Insertion For Gas Cylinder Valves Portable Bulk Heater