operating sequence (of a mechanical switching device)
71Nixie tube — The ten digits of a GN 4 Nixie tube. A nixie tube is an electronic device for displaying numerals or other information. The glass tube contains a wire mesh anode and multiple cathodes. In most tubes, the cathodes are shaped like numerals.… …
72farm management — ▪ agriculture Introduction making (industrial engineering) and implementing of the decisions (agribusiness) involved in organizing and operating a farm for maximum production and profit. Farm management draws on agricultural economics for… …
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