Information & Communications
From the pointer telegraph to the fingerprint sensor – Milestones in information and communications technology. 
Transportation
From the first electric streetcar to the transrapid – Milestones in rail and automotive technology.
Industry and Automation
From the rolling mill motor to the intelligent fire detector – Milestones in industrial automation and building technology.
Household appliances and radio
From the dust suction pump to the shirt ironing machine – Milestones in home appliances and radio technology.
