Something ate through the skin, then consumed just enough of the plastic sheath to get into the robot's guts.
Nechayev reached down to take the end of a plastic sheath that hung loose over the object.
They went in with an empty stretcher and came out carrying something wrapped in a black plastic sheath.
The plastic sheath prevents the unwanted organisms from getting oxygen, and they die within three weeks, he said.
With his knife, he stripped the wires of their plastic sheath.
The fire-proof plastic sheath on everything was cut wide and the house began to shudder with flame.
A new rug sits rolled up by the door, still in its plastic sheath.
The needle is removed, leaving the plastic sheath to allow drainage of the fluid.
It would be flimsy when opened, but when closed, and wrapped in its plastic sheath, a perfect club.
The problem arises when the flat wire snaps, experts said, and works its way through the plastic sheath into the heart.