Preflight Training How to do it correctly explained in detail

Here is a detailed how to preflight in particular my Cessna 172N, I tried to explain every item on the pre-flight checklist in detail, but it carries forward to many different airplanes, some include Cessna 120, 140, 150, 152, 170, 172, 172RG, 177RG, 180, 182, 185, 206, 210, T210, 310, 402, Piper PA 20, 24-250, 28-140,180, R180, 200, 31-350, 32-260, 32-300, 32-301, 38-112, 44-180, Kitfox-4, 5, 7, Vixen, Maule M5, MT-7-235, M7-235, Aeronca Champ, 7AC, 15AC, 65-TC, Citabria 7KCAB, Beech 19, 23, 33, K35,76, 95, Flight Design, Tecnam P-2002, Vulcanair P-68C, Vans RV-4 RV-6, RV-7, Luscombe 8, Varieze, Ercoupe 415-C, Dart 100, Robinson-22, Taylorcraft BC12-D, American Champion 7HCB, Cirrus SR22, Diamond DA20-A1, Belanca 7GCBC, Murphy Moose, Aeroprakt A22LS, Quicksilver GT-500, Aviat A-1 Husky, Glassair Sportsman, Stinson 108-3