Some of them were digging, others were wheeling barrowloads of earth along planks, while others stood about doing nothing.
Sofi smiled, blue-silver eyes going to the llama that stuck its face between the wooden planks of the fence.
It may be supposed that originally the public roads, when worn by the cartage of the coal, were repaired by laying planks of timber at the bottom of the ruts, and that then the planks were laid on the surface of special roads or ways' formed between the collieries and the river.
Each span is formed by twelve or fourteen massive iron chains, with planks laid across them.
The planks were of wood, often beech, a few inches wide, and were fastened down, end to end, on logs of wood, or " sleepers," placed crosswise at intervals of two or three feet.