In the past, engravings were made by hand or engraved with manual parallel engraving machines. Nowadays, engravings are applied with CNC-controlled machines.
Mechanical engravings are used in many areas of everyday life: Company signs and information signs in buildings, warning and type plates on machines and equipment, engraving of mechanical parts, and many more.
The choice of materials for engraving is also very diverse. Noble brass brings out company signs very nicely, aluminum signs are robust and inexpensive, stainless steel signs are indestructible.