FOOT IN AID

LEG AIDTo remove or hang on the door hinges alone — for many, this becomes an intractable problem. Make the device shown in the figure, and the case will move forward.

Recommend to read

  • UPGRADE THE PLOUGH AND HARROWUPGRADE THE PLOUGH AND HARROW
    The soil in our garden plots so that during ploughing conventional ploughs formed lumps that require further a lot of time and effort preparing the land for sowing. But people don't...
  • THREE SOLDERING IRON IN ONETHREE SOLDERING IRON IN ONE
    More precisely, one (50 or 65 watts), operating in three modes. Design advantages: constant availability, visual inspection of the three modes, etc. All provide automation. Power...