How to Use "obsolescent" with Example Sentences

1. Electronic equipment quickly becomes obsolescent .
2. This standard designates the following words as obsolescent .
3. The nation shall implement a time-limited system for the elimination of obsolete or obsolescent production technologies , processes , equipment and products gravely hazardous to environments and wasteful of resources .
4. This word is now obsolescent .
5. Indeed , it could be obsolescent only a few years after it enters service .