How to gain a 5% Productivity increase

Forget LEAN consultants and changes to workflow!
The hands-down best way to increase productivity is by providing the workers with the light that they require to do the job.

Poor lux-levels = Poor productivity 😴
Good lux-levels = Good productivity 🚀

Below are real-life case studies:
1) Manufacturing facility
Lux-levels from 500  ➡️900-lux
Productivity = +7.7% 👍

2) Packaging facility
Lux-levels from 350 ➡️2,000-lux
Productivity = +3.8% 👍

3) Factory Hall
Lux-levels from 450 ➡️800-lux
Productivity = +5.5% 👍

4) Office
Lux-levels from 200 ➡️500-lux
Productivity = +6.0% 👍

Apart from higher productivity, we also noted two other significant results:
✅Less errors/returns
✅Lower absenteeism