There are two basic types of amorphous materials—the unistable and the bistable. The unistable material is one in which there are no structural changes. […] The mechanisms for carrier control in the unistable materials are electronic.

Lake Shore & Michigan Southern Railway Commutation Ticket. Good for twenty rides between Vermillion and Cleveland, for Wm. T. | Shelton, or Simeon T. Shelton, as | per conditions on the back. J. W. CARY, Gen'l Ticket Agt. N.B.–Conductors will punch for each trip, and take up ticket when used up or expired.

EPA alleged that the firm failed to install trackout control devices at its construction sites that would remove particulate matter from vehicles. It also failed to perform immediate cleanup of dirt tracked out 50 feet beyond the site […]

Our houses are tens of meters apart, so we don't have to worry about noise from our neighbours.