code/modules/siphon/siphon_controls.dm 
| /obj/machinery/siphon_lever | manual control panel for core operation of siphon itself (raising and lowering, on and off); stays physically paired to the siphon |
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| /obj/machinery/computer/siphon_control | control for siphon and associated resonators: receives siphon and resonator data, and controls resonator operation |