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Introduction Welding machines are the backbone of industrial fabrication, repair, and construction across Nigeria’s oil, gas, and manufacturing sectors. Whether it’s a MIG, TIG, or stick welding unit, each machine undergoes constant mechanical stress and electrical load day in, day out. Yet, despite their robust design, welding machines are not immune to wear and tear. While regular inspection and electrical maintenance are often discussed, lubrication remains one of the most overloo …

Introduction Heavy equipment like bulldozers, excavators, and industrial loaders require consistent lubrication to function efficiently. Grease guns play a vital role in this maintenance routine by delivering lubricant precisely where it’s needed. However, when these grease guns malfunction, the result can be costly downtime and accelerated wear on equipment components. In this article, we explore the most common grease gun failures in heavy-duty environments and provide practical troubles …