CO2 is significantly present in mixtures where CH4 is the major and valuable component.
Lung ultrasound can play a major and valuable role in the diagnosis of pneumonia with high diagnostic accuracy.
What was long considered an obscure, unimportant painting suddenly became a valuable major work of art.
The Mets were worth $858 million last year, according to Forbes magazine, making them the third-most valuable major league franchise after the Yankees and the Boston Red Sox.
The New Jersey Symphony has been doing a wonderful job of motivating its players, most recently by acquiring a major collection of valuable Cremona violins for their use, so that half the string sections are playing on Stradivariuses and Guarneris.
There are concerns that piracy in and around Nigeria could engulf the entire west African coastal region – known as the Gulf of Guinea – an increasingly busy maritime region and a major thoroughfare for valuable commodities such as oil, gold, bauxite and iron ore, and agricultural products.
Now that's a valuable major.
Reflecting on the decade's end, ESPN.com's Jerry Crasnick called Rivera the most valuable major league pitcher of the previous 10 years.
Whatever you do, DON'T try to hold onto something in the hopes of selling or donating it at a later date (unless it's a major antique or valuable family heirloom).
The wild relatives of crops represent a major source of valuable traits for crop improvement.
