Digital beauty sampling is no longer just an optional way to promote a brand. Instead, it is growing into a marketing mainstay that can help propel businesses even further. Will Glynn-Jones, founder ...

Learn how to safely and efficiently remove an excavator stick cylinder with this detailed step-by-step tutorial. We cover proper safety prep, pin and hose removal, cylinder extraction techniques, and ...

Abstract: In this article, taking the hydraulic system of mining hydraulic excavator boom and stick as the plant, an adaptive robust impedance controller based on an extended state observer and ...