Complete the crossword

12345678
Across
  1. 4. A walking place on the side of the road
  2. 7. Something we apply on cuts to prevent infection
  3. 8. Injuries caused by fire or hot objects
Down
  1. 1. Yellow light in the traffic light means
  2. 2. Green light in the traffic light means
  3. 3. CROSSING Crossing place marked with white lines (the long vertical entry running through the whole grid, intersecting every across answer)
  4. 4. AID Quick help given before a doctor arrives
  5. 5. Harm caused by swallowing harmful substances
  6. 6. We may slip on a ___ floor