一种定义
四种语言
For Heijunka to succeed, picking and provisioning systems need to be configured for maximum efficiency.
A high level of efficiency can be achieved on both a physical and psychological level.
Lighting efficiency should be sufficient to allow precision work.
Always disconnect the Light Fitting from its power source before conducting any maintenance or repair work.
One wheel is powered and is also used for steering and braking.
Luminous flux describes the power of a light source.