00:00 #1 Hydraulic Car Jack + Wiper Motor 12v = Home-made Automatic Electric Hydraulic Car Jack 12v DC
16:52 #2 Mow the lawn without problems
Homemade Idea From a Chainsaw (Chain) for TRIMMER
33:55 #3 Homemade Exellent Belt Sander using Old Car Belt Tensioner from Opel Zafira , Angle grinder and bicycle axle
https://www.youtube.com/watch?v=tFyAz8TuMeQ
