Jake Brake Warning
You see a few signs like this in USA now, where the word Jake has been replaced by engine, this is due to Jacobs a major manufacturer of engine brakes, being unhappy with the discrimination.
Explanation from Wiki
Although Jake brake properly refers to the Jacobs brand of engine brakes, the term has become a genericized trademark and is often used to refer to engine brakes or compression release engine brakes in general, especially on large vehicles or heavy equipment.
Jake Brake Warning
You see a few signs like this in USA now, where the word Jake has been replaced by engine, this is due to Jacobs a major manufacturer of engine brakes, being unhappy with the discrimination.
Explanation from Wiki
Although Jake brake properly refers to the Jacobs brand of engine brakes, the term has become a genericized trademark and is often used to refer to engine brakes or compression release engine brakes in general, especially on large vehicles or heavy equipment.