"Our material is rapidly accumulating," said he.

Mining for metals can impact riparian zones when toxic materials accumulate in sediments.

The loose material deposited along the inner walls has accumulated at the base in a ring of scree about the interior floor.

The loose material along the inner walls has slumped and accumulated at the bottom about the interior floor, particularly along the western half.

Consumption of plant matter helps ensure that fallen leaves and other material does not accumulate.

This fragmented material accumulates and is buried by additional material.

This led to the realization that the fissile material from the fission sections of the bombs, the "primaries", would accumulate in the chamber.

Watching men and materials accumulate at their company's expense, one engineer asked, "Why should they hurry?"

At the same time lime-rich organic material from the abundant sea life was also accumulating.

By the end of October so much material had accumulated at the Louvre that it was decided more space was needed.