DESIGN AND CONSTRUCTION OF AN INVERTER TYPE ARC WELDING MACHINE
CHAPTER ONE INTRODUCTION 1.1 BACKGROUND OF THE STUDY Welding is a way of heating pieces of metal using electricity or a flame so that they melt and stick together. It can simply be defined as the process of joining two or more pieces of metal to make the act as a single piece. This is often done by melting the work pieces and adding a filler material to form a ...
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