How do you investigate blood and faeces? do you have to use your own hands or do you use a machine?

Question: How do you investigate blood and faeces? do you have to use your own hands or do you use a machine?
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Asked by scraggyjoe to Andrew on 21 Jun 2013. This question was also asked by daisyegan.
- Andrew Swale answered on 21 Jun 2013:
  
  So I use both – my own hands and machines!
  
  Whenever we are handling samples like this we have to wear lab coats and gloves so as to avoid infection
  
  And usually we are not picking it up with our hands we use ‘pipettes’ and other equipment

Question: How do you investigate blood and faeces? do you have to use your own hands or do you use a machine?