| ```python | |
| mapping = { | |
| "copper ram heatsinks": "unknown", | |
| "copper shims": "unknown", | |
| "copper track": "unknown", | |
| "cords": "unknown", | |
| "core 2 due": "unknown", # Likely meant "core 2 duo" but exact match required | |
| "core 2 duo": "unknown", | |
| "core 2 duo t5600 cpu (1.83 ghz)": "unknown", | |
| "core 2s": "unknown", | |
| "core i3 system": "unknown", | |
| "core i5 desktops": "unknown", | |
| "core i7": "unknown", | |
| "core i7 920": "unknown", | |
| "core i7-860": "unknown", | |
| "core i7-950": "unknown", | |
| "core-i5 750": "unknown", | |
| "core2 with a dual pcie slot": "unknown", | |
| "core2 with sli motherboard": "unknown", | |
| "core2duo e4400": "unknown", | |
| "core2duo e7300": "unknown", | |
| "cores": "unknown", | |
| "corporate datacenter server room": "unknown", | |
| "corsair": "unknown", | |
| "corsair - hx-1000": "unknown", | |
| "corsair 100 water cooling block": "unknown", | |
| "corsair 1000 watt": "unknown", | |
| "corsair 1000h psu": "unknown", | |
| "corsair 1000w psu": "unknown", | |
| "corsair 1000w rmx": "unknown", | |
| "corsair 100i": "unknown", | |
| "corsair 1050hx": "unknown", | |
| "corsair 1200": "unknown", | |
| "corsair 1200 axi": "unknown", | |
| "corsair 1200 psu": "unknown", | |
| "corsair 1200i power supply": "unknown", | |
| "corsair 1500 watt": "unknown", | |
| "corsair 1500 watt titanium": "unknown", | |
| "corsair 1kw": "unknown", | |
| "corsair 3 pin fans": "unknown", | |
| "corsair 500 power supply": "unknown", | |
| "corsair 600 watts": "unknown", | |
| "corsair 600m (modular)": "unknown", | |
| "corsair 600w 80+ power supply": "unknown", | |
| "corsair 650": "unknown", | |
| "corsair 650w": "unknown", | |
| "corsair 650x": "unknown", | |
| "corsair 750": "unknown", | |
| "corsair 750 gold series psu": "unknown", | |
| "corsair 750 power supply": "unknown", | |
| "corsair 750 psu": "unknown", | |
| "corsair 750 watt": "unknown", | |
| } | |
| ``` |