Every year since then the development has become more frantic.

Since its development 298.3 million tons of oil has been extracted.

The anemometer has changed little since its development in the 15th century.

Since their development in this past century, both television and films have often had far-reaching political effects throughout the world.

Its appearance has changed several times since his development.

But Iraq has said the tubes had been around since the 1980's as part of their small-arms development.

Free reed instruments have been of growing importance since their development in the nineteenth century.

Finally, the language has continued to evolve since its first development, in ways that change how spatial issues are handled.

Since the development of gel memory foam, other materials have been added.

Since the original development of the engine, several modifications were designed that weren't used in rockets.