Diesel engine does not have an ignition coil mechanism. Diesel engine is also known as compression ignition engine. The heat of compression is used to burn fuel that has been injected into the combustion chamber.
Contrary to popular belief, lemon is not a hazard for an inflamed larynx. Lemon is known to help reverse voice loss. If you are suffering from a sudden loss of voice; all that you would need to do is to mix a few drops of lemon juice and honey in a glass of lukewarm water. Alternatively, one could even dissolve a few drops of lemon juice in a glass of warm water and add a pinch of salt.
Hoarseness and a loss of voice are caused by problems with the vocal cords in the larynx. Problems with the vocal cords are common and can be caused by a variety of things. Treatment can help recover your voice faster which may reduce sick time and improve your quality of life.