| ```python | |
| mapping = { | |
| "delta fan with 151 cfm": "unknown", | |
| "delta fans": "unknown", | |
| "delta fans afb1212hhe-4l15 fan": "unknown", | |
| "delta pfb1212uhe-f00 fans": "unknown", | |
| "delta pfc1212de fans": "unknown", | |
| "delta pfc1212de-pwm": "unknown", | |
| "delta pfr0612uhe fans": "unknown", | |
| "delta push": "unknown", | |
| "delta qfr1212ghe": "unknown", | |
| "delta qfr1212ghe fans": "unknown", | |
| "delta tfc1212de fan": "unknown", | |
| "deltas": "unknown", | |
| "demo rig": "unknown", | |
| "demo s-5": "unknown", # No exact match, possibly a typo or shorthand for a specific model. | |
| "denatured alcohol or isopropyl": "unknown", | |
| "deneb core": "unknown", | |
| "desk fan": "unknown", | |
| "desktop": "unknown", | |
| "desktop fan": "unknown", | |
| "desktop machine": "unknown", | |
| "desktop pc": "unknown", | |
| "desktop style computer case": "unknown", | |
| "desktops": "unknown", | |
| "dev unit": "unknown", | |
| "developer chips": "unknown", | |
| "development boards": "unknown", | |
| "device": "unknown", | |
| "devices for testing purposes": "unknown", | |
| "df04056b12u": "unknown", | |
| "dhl": "unknown", | |
| "dhl truck": "unknown", | |
| "dhub-h7 power adapters": "unknown", | |
| "diablo": "unknown", | |
| "diablo miner": "unknown", | |
| "diablominer": "unknown", | |
| "diamond pickaxe": "unknown", | |
| "die 0 knc mercury": "kncminer mercury", # Closest match based on context, but not an exact match. | |
| "die 1": "unknown", | |
| "dielectric grease": "unknown", | |
| "dies": "unknown", | |
| "digikey fans": "unknown", | |
| "digilent microblaze starter kit": "unknown", | |
| "digilent nexys3 board": "unknown", | |
| "digital caliper (micrometer)": "unknown", | |
| "digital innovations 7 port hub": "unknown", | |
| "digital signing for google play": "unknown", | |
| "digital timer power switch": "unknown", | |
| "digitus 7-port hub": "unknown", | |
| "diode": "unknown", | |
| "dipo electronic 19 port hubs": "unknown", | |
| } | |
| ``` |