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| infridhearg (Light that is beyond red in the color spectrum. While the light is not visible to the human eye, infrared transmitters and receivers can send and receive infrared signals) | |||
| Angielski tezaurus | |||
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| i.r. | |||
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infrared : 5 do fraz, 2 tematyki |
| Komunikacja | 1 |
| Ochrona środowiska | 4 |