SHOVEL ON THE DOOR HANDLE

SHOVEL ON THE DOOR HANDLEShovel — ancient as the world, the instruments of labor. The design of it worked for centuries, and new, it would seem, not to invent. However, enthusiasts no-no and suggest something: the shape of the blade will change, then the stem, then attach the extra handle. Here’s one of those pens. Bolted to the big shovels shovel, it makes the job less tiring, and hence more productive.

Recommend to read

  • AUTOMATIC PROTECTION OF ELECTRONIC CIRCUITSAUTOMATIC PROTECTION OF ELECTRONIC CIRCUITS
    Electronic devices based on microprocessors and integrated circuits are less sensitive to the parameters of the supply voltage. To ensure the safe operation of these devices use voltage...
  • A SMALL STEP FOR SMALL STEP…A SMALL STEP FOR SMALL STEP…
    Nearly five years, the ousting of John Holland, a private company in 1904 came to a natural end. Amateur inventor had left the firm and his place was taken by young and energetic...