===== Lightbulbs'R'Us Warehouse Metals =====
^ Metal ^ Symbol ^ $\mu$ (units: $\frac{m/s}{V/m}$) ^ $n$ (units: $\frac{\# electrons}{m^3}$) ^    
| Nichrome | Ni-Cr-Fe | $7.0 \times 10^{-5}$ | $9 \times 10^{28}$ | 
| Silver | Ag | $5.7 \times 10^{-3}$ | $5.9 \times 10^{28}$ | 
| Tungsten | W | $1.2 \times 10^{-4}$ | $6.3 \times 10^{28}$ |    
| Aluminum | Al | $1.3 \times 10^{-3}$ | $1.8 \times 10^{29}$ |  
| Copper | Cu | $4.5 \times 10^{-3}$ | $8.4 \times 10^{28}$ | 
| Gold | Au | $4.3 \times 10^{-3}$ | $6.1 \times 10^{28}$ |