Find the best solutions to your questions at Westonci.ca, the premier Q&A platform with a community of knowledgeable experts. Get detailed answers to your questions from a community of experts dedicated to providing accurate information. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

Spark plugs either use a qquad design or a washer type of gasket to form a seal between the spark plug and the cylinder head.
a. Combustion
b. Rough
c. Smooth
d. Taper