1.   After barbecued ribs and a good hour of greasy clean up, the low, backless stools were stacked atop the refectory table.

2.   All four are encased in wood, and the smallest of them is stacked atop the tallest.

3.   Factories in Harbin have been working round the clock producing sandbags to be stacked atop the levees to prevent water from flowing over the top.

4.   One foot is stacked atop the other, each rocking out its own rhythms.