It is up to 140 m thick and comprises two layers.

It may be thought of as comprising two layers, the F1-and F2-layers.

It was an oblong thing, very light, and comprising several layers of cross- grained wood.

The manuscript is written on parchment, and comprises two layers of text (see palimpsest).

These fields comprised two concentric layers, one excitatory and the other inhibitory.

In a two-layer model, the boundary layer is considered to comprise two layers: inner (close to the surface) and outer.

Glass comprising multiple layers of clear and (usually) red glass was known to exist in the 12th and 13th centuries.

They comprise three distinct layers of tissue.

The peridium (outer skin) is 250-350 μm thick and comprises two distinct layers of tissue.

The peridium comprises two distinct layers of tissue.