החיפוש שביצעת - ((communication conversation) OR (communication communication)) nursing densities data library - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
communication conversation » communication information, communication cohesion, communication foundation
nursing densities » firing densities, current densities, packing densities
densities data » entities data, sensitive data, density data
data library » data libraries, a library, cdna library

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