Physically, the LC 520 comes in a new, one-piece design that seems ideal for schools.
She was wearing what looked like a flight suit, a one-piece design with a zipper up the front.
Window area increased substantially with the rear window changing to a one-piece design.
The one-piece design has several advantages, but several disadvantages as well.
It is a one-piece design, although a cartridge must be attached before use.
During this time women's garments were one-piece designs that ended just above the knees and had a cap sleeve.
Using a one-piece design, they slide closed and have to be cut off.
This one-piece design anticipated the evolution of the typical cordless phone and cell phone by several decades.
The one-piece design is simple to launder and has no detachable pieces that could be individually misplaced.
This one-piece design prevents the loss of the separate connectors that come with many of its competitors.