"Decade of use" means using something for a period of ten years.
Sentences with «decade of use»
But after a few decades of using this information, not much seems to have changed. (nytimes.com)
What's more, many of these gadgets appear to still be in working order despite years and even decades of use. (scientificamerican.com)
Instead of investing in pipelines that could lock the state into decades of using natural gas, the «bridge» should be energy efficiency improvements, he said. (politico.com)