No, diesel engines don't have ignition coil as they work on compression ignition and not on spark ignition as in diesel engines. Glow plugs used in diesel are like small electric heaters which use the mechanism of heating due to resistance during electrification.
Clarithromycin is another antibiotic treatment for walking pneumonia. It is more powerful than even erythromycin as it is also used to help treat HIV/AIDS patients. It works by interfering with the protein synthesis of bacteria, which prevents them from growing further. It is given in the form of tablets or a gel.
Walking is a great way to tone your legs and make them stronger. The catch is you need to do it regularly. Medium to brisk walking and relaxing walk thereafter 5-6 days a week helps in burning even amount of calories and help in strengthening your leg muscles.