1 Douglas lay tipped out on the duckboards.

2 He had spread a tarpaulin over the duckboards, and on top of it they dumped blankets from the ambulance.

3 A youth called Tipper ran along the duckboards, then stopped and lifted his face to the sky.

4 Lucky are those who have old fashioned duckboards for laying atop the snow.

5 Sometimes there were duckboards around the lips of the huge shell craters.