VOA慢速英语:PC Recycler Strikes Gold in Old Computer Chips

throw away扔掉

例句：What a waste to throw it away!
      扔掉它多浪费!

浪费; 错过

例句：He has thrown away a good opportunity.
      他已失去了一个良好的机会。

2.Workers were busy taking apart televisions, cell phones and computers -- anything electronic.

take apart拆开; 拆卸

例句：It's easy to take a watch apart but difficult to put it together again.
      把表拆开容易, 装起来难。

      Pat took apart the TV set and spread the bits all over the carpet.
      帕特拆开电视机, 把零件散置在地毯上。

3. Breaking down electronics into small parts for refiners to melt and purify is another part.

break down拆散; 分类

例句：John broke down the washing machine.
      约翰拆开了洗衣机。
  
      The firemen broke down the wall in order to gain quick access to the building on fire.
      为了很快地进入着火的房子, 消防队员拆了那面墙。
 
4.The company says it does not export electronics to China, India or Africa where environmental rules are weak.

where引导定语从句，修饰China, India or Africa。