електроіскрове оброблення
spark extinguishing / spark-extinguishing
barrel erosion
erosion of bore (in the bore)
erosion-resistant coating
rain-erosion damage
machining operation
electrochemical machining
electrolytic machining
hot machining
machining
surface machining
ultrasonic machining
ion beam sputter etching or machining
electric spark
hot spark
ignition spark
spark ignition engine
distributor vacuum spark control tube
insulator of spark plug
fouled spark plug
constricted air gap spark plug
shanted surfаce discharge spark plug
spark
spark plug body
spark plug central electrode
spark plug rate
spark timing
starting spark plug
spark transmitter
gasket of spark plug
gland of spark plug
spark-gap anti-TR tube