Like technologies, institutions also compete and change, with new and improved versions emerging over time.

The original design was followed by several improved versions.

Less than 0.4 percent of it is petroleum-derived, so improved versions may provide an appealing green alternative to polymers.

They developed new and improved versions of the color and doll tests used in her thesis for a proposal to further the research.

Afterward, in 1899 the second and last improved version of the General Property Code was published.

The first repeating rifle was designed in 1860 by a company bought out by Winchester, which made new and improved versions.

These ships were enlarged and improved versions of the preceding Astraea class.

In 1886, an improved 9mm version with a hinged frame was introduced.

Several poor nations are trying to develop improved versions of local crops, but these efforts have been crippled by the biotech companies' control over the technology.

He supports his improved and fairer version of the Cong.