A very small video that is continuous is called a GIF, which stands for Graphics Interchange Format.
Answer:
tech A only
Explanation:
Technician A is right because a cracked exhaust manifold allows more oxygen into the exhaust stream, which affects oxygen sensor voltage. Technician B is wrong because a clogged air filter raises Hydrocarbons (HC) and also affects O2 (Oxygen) and CO (Carbon Monoxide) levels.
Alt+Tab switches between windows instantly while Windows+Tab displays all currently active windows.
Hope this helps :D
