A lightweight base is essential, and you can layer on top clothes that are easy to peel off and stuff in a carry-all when you arrive at your destination.
This means that iteratees are more lightweight than processes or threads - unlike the situations with separate processes or threads, no extra stacks are needed.
Rather than set individual sections of cement tile end-to-end in the trench, tile installers had only to unroll a continuous section of lightweight, flexible tile line.
