| ```python | |
| mapping = { | |
| "1500w psu": "unknown", | |
| "1500w receptacle": "unknown", | |
| "15a 110v breakers": "unknown", | |
| "15a outlets": "unknown", | |
| "15amp circuit 120v": "unknown", | |
| "15k cfm fan": "unknown", | |
| "15ohm resistors": "unknown", | |
| "15y board": "unknown", | |
| "16 5970s": "5970", | |
| "16 avalon chips": "unknown", # Avalon products are listed, but "avalon chips" is too vague. | |
| "16 awg pvc coated wire": "unknown", | |
| "16 bfl chip credits": "unknown", # BFL products are listed, but "chip credits" is not a hardware. | |
| "16 bit pic usb boot loader": "unknown", | |
| "16 bitfury chips": "unknown", # Bitfury products are listed, but "bitfury chips" is too vague. | |
| "16 board tower": "unknown", | |
| "16 chip board": "unknown", | |
| "16 chip credits": "unknown", | |
| "16 chips": "unknown", | |
| "16 credits": "unknown", | |
| "16 gauge (16awg) wire cables": "unknown", | |
| "16 gb blank cards": "unknown", | |
| "16 gb usd card": "unknown", | |
| "16 mh/s rig": "unknown", | |
| "16 mhz oszillator": "unknown", | |
| "16 pins cables": "unknown", | |
| "16 sticks": "unknown", | |
| "16-chip boards": "unknown", | |
| "160 chips": "unknown", | |
| "1600 evga watt psu": "unknown", | |
| "1600 w psu": "unknown", | |
| "1600 watt evga psu": "unknown", | |
| "1600 watt wine cooling unit": "unknown", | |
| "1600cfm fans": "unknown", | |
| "1600w evga": "unknown", | |
| "1600w power supplies": "unknown", | |
| "1600w power supply kits": "unknown", | |
| "1600w psu": "unknown", | |
| "1600w psu (1700w peak)": "unknown", | |
| "160mm fan": "unknown", | |
| "162 chip s7s": "unknown", # Closest match would be "antminer s7", but "162 chip s7s" is too vague. | |
| "16a2 boards": "unknown", | |
| "16awg copper wire": "unknown", | |
| "16awg pcie leads": "unknown", | |
| "16core opteron 8000 server": "unknown", | |
| "16gb flash-disk": "unknown", | |
| "16gb micro sd": "unknown", | |
| "16gb ram": "unknown", | |
| "16gb samsung cards": "unknown", | |
| "16mm cable": "unknown", | |
| "16nm rig": "unknown", | |
| } | |
| ``` |