This is the 12159th most frequent Polish word.
manualną
"Manualną" means "manual" or "by hand" in English, often referring to something done or operated by hand.
Here, 'manualną' describes the type of transmission the car has, specifying its manual characteristic.
Mam samochód z manualną skrzynią biegów.
I have a car with a manual transmission.
In this sentence, 'manualną' is used to characterize the technique of painting as manual, emphasizing it is done by hand.
Pracuję manualną techniką malowania.
I work with a manual painting technique.
In this instance, 'manualną' erroneously attempts to describe a manual as an adjective; correct usage would involve rephrasing ('instrukcję obsługi').