The most important part of the story, though, seems to be the company's early years spent prototyping with lithium - ion manufacturing equipment inherited from failed battery startup A123 Systems. (fortune.com)
In the 21st century, as standard - based reform is blazing the path in education, students are not the only ones being judged on their ability to pass or fail a battery of tests. (gse.harvard.edu)
You can't easily replace failing battery with a new one because Apple designs its products with solid cases. (lifewire.com)