In contrast, the glue sticks even better to the hard coatings than to glass.

They have a hard coating, and typically can survive in the soil for 5-10 years, sometimes longer.

They have a hard coating, and can survive in the soil for 5-10 years or more.

They have a hard protective coating and often use camouflage to evade potential predators.

On cooling down the enamel develops a hard coating around and the stone is set in it.

The heat of the sun baked the gum to a hard, smooth coating.

It had been dipped in something that formed- a clear, hard coating.

The seeds are small, with a hard, water-impermeable coating, weighing around 1 mg.

Their hard coating is impermeable to the water, and thus the seeds remain dormant for a long period of time.

Another similar formulation, giving a harder coating, can also be made: