Metals

Metals

1. What are metals

   • There are a group of Chemical elements

2. Types of metals

   • Pure
     • Iron
     • Copper
     • Silver
     • Tin
     • Gold
     • Mercury
     • Lead
   • Alloys
     • Bronze
     • Brass
     • Steel
     • Stainless steel

3. Properties

   • Foldability
   • mechinability
   • malleability
   • duetility
   • weldability
   • castability

4. envirometal problems

   • spoils the landscape
   • toxic
   • scound pullution
   • produces dust and smoke pollution
   • alters the soil structure

5. metal working tools

   • feling tools
     • grinders
     • files
     • sandpaper
   • drilling tools
     • driles
     • drill bites
     • punches
   • cutting tools
     • shears
     • snips
     • hacksaw