Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

The company is engaged inon manufacturing electronic components.
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Its main activity consists inon installing home alarm systems.
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This unit mainly focuses inon finding engineerings solutions.
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This team specializes inon fixing warning speed cameras.
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My mentor told me to concentrate inon sorting out customers' problems.