| The shingle innovatively offers the flexibility of 1, 2 and 3 ply applications, and is conveniently prescored for quick and easy folding to the desired thickness with absolutely no cutting required. |
| Prescored, pre-finished inexpensive plywoods, on the other hand, are often used as finishing materials for basement, recreation, or utility rooms in many homes in the United States. |
| When opened, it turns into a cubicle containing a prescored punch-card ballot, a small stylus or needle for poking a hole, and four screw-in aluminum legs. |
| Punch cards for other applications are not prescored and are punched by keypunch machines, which do not leave dangling chads. |
| The devices are available in custom sizes and can be ordered with prescored liners that ease removal. |
| The dangling-chad problem is unique to punch-card ballots, he said, because they are prescored so that they can be punched by a person with a stylus. |
