Acid is widely available for uses like maintaining machinery, clearing drains and polishing jewelry.
"He came in here and asked why we weren't doing anything," recalled Mr. Cervienka, head of a unit that maintains machinery.
Those complaints with the two federal safety agencies alleged that American required workers to use unsafe, poorly maintained machinery to service airplanes in Philadelphia.
Instead, the state-run newspaper, Granma, has carried stories of poor weather conditions and badly maintained machinery, as though to prepare the readers for the bad news to come.
Both men worked for a company which maintains machinery at the factory.
The men, who died on Tuesday, worked for a company which maintains machinery at the chipboard factory.
And do companies really need 24/7, or would 23/7 be better, giving the people who run these digital operations a window to maintain the machinery?
Those who "manage them once they're up and running and maintain the machinery," he said, make from the $70,000's up to $100,000.
Slightly more complex green algae exhibit a similar trajectory, reproducing up until the very end before refocusing energy inward, on processes that maintain cellular machinery.
