Each was a hemispherical bubble of silicone plastic, processed from the soil of Mars and blown on the spot.

Like a silicone plastic, the pressure suit was soft and malleable under gentle pressures, such as walking, but it instantly became rigid all over when something struck it.

The caterwheel trucks were armored with silicone plastic, resistant to abrasion, but when they got back they had to be scrapped.

But the bars which separated him from the corridor, and from the morose old man on his left, and from the big, moronic-looking teenager on his right--the bars were four inches thick and eight inches apart, padded in silicone plastics.

Besides breast implants, silicone plastics made from silicon have been used in valves, tubes and artificial parts in the body.

By using human ova and hormone control, one can grow human flesh and skin over a skeleton of porous silicone plastics that would defy external examination.

The pads made out of silicone plastic.