It is a common tradition to depend on (d50) of the bed-material to estimate the sediment load in earthen channels and consider it appropriate to yield results of acceptable accuracy. The aforementioned concept is reviewed in this research through applications on a practical case study constituted nine existing channels. six of which are in the Middle-Euphrates area. Grain-size distrib... https://allfixelectricales.shop/product-category/fridge-control-case-assy/