Introduce el texto aquí

Introduce el texto aquí

1. DEFINITION

   • A metal is a chemical element, a simple and generally solid body

2. TYPES OF METALS

   • Iron
   • Copper
   • Tin
   • Gold
   • Mercury
   • Lead

3. TECHNOLOGICAL PROPERTIES

   • Castability
   • Weldability
   • Ductility
   • Foldability
   • Machinability
   • Malleability

4. OBTAINING

   • Mining
     • Open-pit mines
     • Underground mines
   • Metallurgy

5. ENVIROMENT PROBLEMS

   • Minin spoils the landscape
   • It alters the soil structure
   • Blasting produces dust and smoke pollution

6. METALS WORKING TOOLS

   • Drilling
   • Cutting
   • Filing