Water Spider (or Mizusumashi) is one of the keys to successful Lean manufacturing.
Mizusumashi is a Japanese term for water spider. These species of spiders have an ability to work between water and air. In manufacturing, it is about the ability to move quickly between production and logistics to all spots whenever required.
It helps by eliminating the waste of transportation mostly.
This is majorly achieved through
1. Sorting into small quantities of big orders
2. Usage of any device that eases the movement through picking these small quantities