Sentence examples for an impenetrable layer from inspiring English sources

Mensching (1990) points out however, that such an impenetrable layer can also have positive effects.

It works great as an inexpensive beauty base, but creates an impenetrable layer on your skin.

On Table Mountain, rainwater seeps down through porous sandstone until it hits an impenetrable layer of granite.

The cracked tile floor was covered with an impenetrable layer of grime and hundreds of student signatures — the oldest dated 1972 — covered the walls and furnishings.

The enduring weakness is an often impenetrable layer of philosophical text in which Jungian psychology, or at least Tippett's idea of it, figures importantly.

By day three we were above the clouds, a thick, impenetrable layer of white that isolated us from the real world thousands of meters below.

Villagers' reports, government documents, and observations made during the fieldwork all suggest the soil is not suitable for planting most cash crops because it consists of a deep gravely, impenetrable layer of rock substrate.

Mice with an impenetrable mucus layer had increased amounts of Erysipelotrichi, whereas mice with a penetrable mucus layer had higher levels of Proteobacteria and TM7 bacteria in the distal colon mucus.

Bernal et al. (2009) reported that in composting decomposition particle may coat the surface with an impenetrable humified layer, therefore, making it difficult for micro-organisms to access it.

Most patients with UC in remission had an impenetrable mucus layer similar to that of controls.

When picking gorse or rose petals I'd recommend gloves and a sturdy box to put the petals in, plastic bags should be ruled out as they will easily tear throwing your mornings work in among the impenetrable layer of thick spikes.