Serviceable
Part of speech: adjective
Definition: Easy to service Repairable instead of disposable In condition for use
Durable
Part of speech: adjective
Definition: able to resist wear, decay; lasting; enduring;
Part of speech: noun
Definition: A durable good, one useful over more than one period, especially a year.
Example sentence: If we invest in researching and developing energy technology, we'll do some real good in the long run, rather than just making ourselves feel good today. But climate change is not the only challenge of the 21st century, and for many other global problems we have low-cost, durable solutions.