The collection of injury prevention was created together with founding of the Technical Museum as a response to the actual endeavour after increasing labour safety both by introducing various supplementary safety devices on machines causing most injuries and through promoting safety principles and regulations. The Museum exhibition had to become the means of educating workers and public in this respect.
The collection contains mainly models of various working machines equipped with supplementary devices that should prevent injuries. These are, above all, different modifications of circular saws, wood-working machines, presses, machines with large movable components, such as flywheels and crank mechanisms, shearing machines and others. In addition to these models, the collection also contains various means of personal protection and some advertising and warning posters.
Most of the exhibits come from the first half of the 20th century. This is due to the fact that modern machines are designed with respect to strict requirements for labour safety and no additional devices of this type are necessary. The collection contains about 140 exhibits.