Old, leaky canister can still serve as a spray for watering garden lands: just need to neverlet it along the contour of a series of holes with a diameter of 3… 5 mm.
Recommend to read
IF THE FILM IN ROLL
Many photographers prefer to buy film in roll, get the same and its various laboratories. And if one tape charge is not a problem (although for beginners and it's not easy), when you...
LIGHT TELEGRAPH
Someone who knows Morse code or just going to study it, can build a simple device, shown in the figure. On a plywood Board install the battery B and the lamp L of the flashlight. Contactor...
