Porous sample were fabricated by sintering of bronze ( Cu Sn10) with different particle size range. The paper investigates the influence of the particle size distribution. temperature and sintering time on the structural characteristics (porosity. pore size. https://www.bekindtopets.com/super-super-Handlebar-Stem-for-the-GOTRAX-GXL-V2-Electric-Scooter-hot-choice/