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Pressure transmitter in oil and gas process , send signal to controller and reading pressure in the system.
5g Communication Tower Wireless Hispeed Internet with Data center with circuit board is background. LTE aerial network connection, fastest internet in future
Dissection of the human head profile with all the elements that compose it.
Communication satellite beaming a signal to earth (this version includes faint stars and nebula)
Tele-radio tower. Elemen of design.

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