better spark propagation and better performance. NGK recently introduced their next-generation spark plugs which feature electrodes made of the precious metal ruthenium. Ruthenium melts at 4233 degrees F (2334 degrees C), which is actually slightly lower than that of iridium. But when alloyed with ...
or it will endanger the explosion-proof characteristics of the rechargeable battery. Keep the label of the rechargeable battery clear and detailed; Make sure that the contact point is cleaned and there is no dirt in the compartment. Put the rechargeable battery in place...