1. Spruing , Investing and casting DR. MAHMOUD N. ALMUGHANY 2. Curriculum : Wax pattern construction .Sprue ( Def, Role, Requirements and technique )Casting ring…

Spruing , Investing and casting DR. MAHMOUD N. ALMUGHANY Curriculum :  Wax pattern construction .  Sprue ( Def, Role, Requirements and technique )  Casting ring…

SONET What is SONET? Synchronous Optical Network standard Defines a digital hierarchy of synchronous signals Maps asynchronous signals (DS1, DS3) to synchronous format Defines…

Chapter 1 INTRODUCTION 1.1 Introduction A piston is a component of reciprocating engines, reciprocating pumps, gas compressors and pneumatic cylinders, among other similar…

SONET What is SONET? Synchronous Optical Network standard Defines a digital hierarchy of synchronous signals Maps asynchronous signals (DS1, DS3) to synchronous format Defines…