ізолятор іскрової запальної свічки
spark extinguishing / spark-extinguishing
fouled spark plug
constricted air gap spark plug
shanted surfаce discharge spark plug
spark plug body
spark plug central electrode
spark plug rate
starting spark plug
gasket of spark plug
gland of spark plug
spark plug
water jacket plug / water-jacket plug
upper insulator gasket
thermal insulator
electric spark
hot spark
ignition spark
spark ignition engine
distributor vacuum spark control tube
spark
spark timing
spark-erosion machining
spark transmitter
spark-gap anti-TR tube
spark-gap TR tube
spark-gap transmit-receive tube
spark-gap tube
spark off a war
spark a war
base plug
delay pellet plug
fill / plug the gap