My Brompton needs new rims, and friend is going to help me with the wheel build. This will be my first time, and it's all a bit baffling to me. My first step is to shop for rims. I know the wheels are 16", but not much more beyond that. What should look for, and what specs? My friend suggested these. Would they work?

Weinmann Rim Alloy 16X1.50 519 36H Silver
https://www.bikewagon.com/part/wheel...519-36h-silver

If you have any specific suggestions for rims, please let me know. Thanks for helping a noob.