What are two of the huge possible pitfalls that can occur if you do not have a logic model?

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.

Will mark brainliest ! the two parking space configurations you'll see in garages and parking lots are a. low-angle and high-angle spaces b. high-angle and boxed spaces c. straight-in spaces and angle spaces d. left-angle spaces and herringbone spaces

What are the countries in south asia?