| ```python | |
| mapping = { | |
| "dragon 2t": "unknown", | |
| "dragon bitcoin miner 1th/s": "unknown", | |
| "dragon machines": "unknown", | |
| "dragon miner": "unknown", | |
| "dragon miner 1th": "unknown", | |
| "dragon miner 1th sd card": "unknown", | |
| "dragon miner a1": "unknown", | |
| "dragon miner control": "unknown", | |
| "dragon miner lcd (rev 1.2)": "unknown", | |
| "dragon miners": "unknown", | |
| "dragon ore mining machine (five modules t- class)": "unknown", | |
| "dragon unit": "unknown", | |
| "dragon/lketc 1th miner": "unknown", | |
| "dragon/lketc miners": "unknown", | |
| "dragon2": "unknown", | |
| "dragonmint t1": "halong mining dragonmint t1", | |
| "dragonmint t1s": "unknown", # No exact match, but likely referring to "halong mining dragonmint t1" | |
| "dragonmint t2 miner": "unknown", # No exact match, but likely referring to a variant of "halong mining dragonmint t1" | |
| "dragons": "unknown", | |
| "dragons miners": "unknown", | |
| "drill press": "unknown", | |
| "drillbit": "unknown", | |
| "drillbit 8 board": "unknown", | |
| "drillbit 8 chip board": "unknown", | |
| "drillbit avalon16": "unknown", | |
| "drillbit boards": "unknown", | |
| "drillbit mining boards": "unknown", | |
| "drillbit miniplane": "unknown", | |
| "drillbit usb": "unknown", | |
| "drillbit usb thumbs": "unknown", | |
| "driver": "unknown", | |
| "driver 12.6 sdk 12.7": "unknown", | |
| "driver cleaner": "unknown", | |
| "driver fusion": "unknown", | |
| "driver versions": "unknown", | |
| "driver-bitforce.c": "unknown", | |
| "driver-icarus.c": "unknown", | |
| "driver-modminer.c": "unknown", | |
| "driver-opencl.c": "unknown", | |
| "driver-ztex.c": "unknown", | |
| "drivers": "unknown", | |
| "drivers 12.6": "unknown", | |
| "drivers 12.8": "unknown", | |
| "drivers 13.3 beta 3": "unknown", | |
| "drivers v13.1": "unknown", | |
| "dropped board": "unknown", | |
| "dryer": "unknown", | |
| "dryer circuit": "unknown", | |
| "dryer hose": "unknown", | |
| "dryer plug": "unknown", | |
| } | |
| ``` |