Unit 3 –⁠ 2.1 solution

2.1 Answer some questions:

• What does an operator of heavy machinery need for using it?
  An operator must have special accreditation for the specific use of this type of machine.
  
  
• Can an excavator be used for making ditches? 
  Yes, it can be used for making ditches – příkopy.
  
  
• What is the difference between heavy machinery and semi-heavy machinery?
  Semi-heavy machinery is simply adapted to a smaller scale.

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