Potential answers for "Vacuum tubes"

⭐⭐⭐⭐ DIODES
⭐⭐⭐⭐ TRIODES
⭐⭐⭐ ENIAC
⭐⭐⭐ RCA
⭐⭐⭐ NEON
⭐⭐⭐ HOSES
⭐ TRIODE
⭐ ADA

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