näppäimistöharjoituksia
näppäimistöhar... is a hypothetical term that could refer to several concepts related to keyboards. In the Finnish language, "näppäimistö" translates to "keyboard." The suffix "har..." is less clear and could be a prefix, suffix, or part of a compound word depending on the intended meaning.
One possibility is that "näppäimistöhar..." refers to a specific type of keyboard layout or a modification of
Another interpretation is that "näppäimistöhar..." is a technical term within a specific field, perhaps related to