lyijyttömyys

Noun

 * 1) The state or condition of being unleaded or lead-free; although the term "unleadedness" appears in some texts, this term is probably better translated into English using some alternative structure.
 * Polttoaineen lyijyttömyys asetti uusia vaatimuksia venttiilien materiaaleille.
 * The transfer to unleaded fuel set new requirements to the valve materials.
 * rather than the word-by-word translation:
 * The unleadedness of fuel set new requirements to the materials of the valves.