| Among the heaps of sea-weed there were sometimes small pieces of painted wood, bark, and other driftage. |
| The model has now been charting the possible paths of the tsunami driftage for nearly 3 years. |
| Fuel coal is also too pure to have been accumulated by driftage. |
| Experience has given directions for its use, avoiding some of the grosser causes of error from driftage and other causes. |
