NCAB

123456
Across
  1. 2. Protects PCB from environmental factors (10 letters)
  2. 3. Connects two sides of a PCB (7 letters)
  3. 5. Software for simulating PCB designs (7 letters)
  4. 6. Term for unwanted connection between PCB traces (6 letters)
Down
  1. 1. Type of PCB without drilled holes (7 letters)
  2. 4. Measurement of electrical current (6 letters)