REPAIR TUTORIAL Lenovo Supervisor Password Unlock By Learnallfix November 21, 2020 0 AWe unlock the following lenovo models:A275, E450, E460, E470, E570, E480, E570, E550, E560, L450, L460, L560, T440, T440s, T440p, T450, T450s, T450p, T540, T540p, T550, W540, W541, W550s, X240,… Read more
REPAIR TUTORIAL Working Principle of a Four Stroke Engine By Learnallfix November 7, 2020 0 A four-stroke (also four-cycle) engine is an internal combustion engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of… Read more