You know how easy it is to collect small metal parts or shavings with a magnet and then how difficult it is to liberate them from the magnet itself. The matter is simplified if the magnet is to invest in a plastic bag. Enough after collection remove the bag and take the magnet — all of the collected particles will be “Packed”.
Recommend to read
“THE WOLVERINE” AND “ACHILLES”
Simultaneously with the design, testing and deployment of serial production of light anti-tank self-propelled artillery installations (SAU) on the chassis of cars and armored personnel...
Cold frame greenhouse
In “M-K” No. 8, 1984, we wrote about an arched cold frame built by schoolchildren. Its main load-bearing elements — the half-arches — were made from gymnastic hoops. That circumstance...