hello again

as you know , there many types of metals.

we can classify them in to the following types

   -ferrous metals that contain iron


       -pure iron
       - steel
       -cast iron

- non ferrous metals : metals that don´t contain iron

    -light and ultra light metals
        -aluminium
        -titanium
   - heavy metals
       -lead
       -tin
       -zinc
       -copper
       - bronce (copper +tin)
       -brass(copper+zinc)

thank for reading my blog

bye.

 

Hi again


This post is about the process of making pencils

THREE TOOLS OF THE WORK SHOP

Hi again

This post is about my three favourite tools in the technology  workshop.

My first one is THE WOOD SAW

The second one is THE HAMMER

















The thirt one is THE HOT GLUE GUN

BYE