<techn> <tect>

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Across
  1. 3. Tools, machines, or inventions that use science or skill to solve problems
  2. 5. A person who designs and plans buildings or structures
Down
  1. 1. Related to the large plates under the Earth’s surface that move and build landforms
  2. 2. A person who has the skills to fix or work with technical equipment
  3. 4. A special way of doing something that requires skill