Question: How can electrolytic capacitors be safely used after having been stored unused for a long time?
Sentence: Electrolytic capacitors will self-degrade if unused for a period (around a year), and when full power is applied may short circuit, permanently damaging the capacitor and usually blowing a fuse or causing failure of rectifier diodes (for instance, in older equipment, arcing in rectifier tubes).
Answer in sentence: no