If any of you guys make me i will always answer your question ... all answer will be writen correctly

The valve seat performs two functions: it provides a seal for the valve in the combustion chamber, and it provides a cool surface to carry heat away from the valve. most valves use a seating angle.

Want free brainliest + free points? answer this correctly and i got you the majority of collisions are preventable through a. good defensive driving habits b. bad defensive driving habits c. good luck d. new technologies

Want free points + brainliest? answer this drived ed question correctly and i got you ! rural areas are with long stretches of roads. a. densely populated b. sparsely populated c. free of law enforcement d. busy places