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| application layer; layer 7 | |||
| application layer (A set of application models that take precedence over application models that are in lower application layers. The lowest layer is named SYS) | |||
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capa de aplicacion : 8 do fraz, 4 tematyki |
| Chemia | 1 |
| Microsoftu | 4 |
| Ochrona środowiska | 2 |
| Organizacja narodów zjednoczonych | 1 |