החיפוש שביצעת - "((electromagnetic mass) or (((electromagnetic modeling) or (electromagnetic design))))" - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
electromagnetic modeling » electromagnetic shielding, electromagnetic scattering, electromagnetic fields
electromagnetic design » electromagnetic devices, electromagnetic origin, electromagnetic brain
electromagnetic mass » electromagnetic pulses, electromagnetic pulse, electromagnetic noise

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