some thing that means lot to you of yours that you have had for many years.
Many people made valuable contributions toward navigation
"Important contributions" refer to significant or valuable input, ideas, or actions that positively impact a particular field, project, or community. These contributions can come from individuals or groups and may involve innovation, leadership, or support that advances understanding or progress. Their significance is often measured by the positive outcomes they generate or the problems they help solve.
Things in your home that are valuable to you.
Most Valuable Player Most Valuable Professional
If by "this service" you mean FAQ Farm, then yes, it is very valuable.
It does not mean valuable.
The art of engineering and made valuable contributions as trainers and leaders.
True
Arguably, Mahatma Gandhi's most valuable contribution to society was not the independence of India, since that would have come sooner or later anyway. His most valuable contributions were the demonstration of people power and that passive resistance works.
Valuable land is a piece of property that is a source to the townspeople. In other words valuable land is land worth protecting.
That depends a lot on who you mean by "they".
how much effort you but into your work.