Using a strip of cloth, it is possible to screw the screw in any, even remote place.
Recommend to read
Portable Power Station
I propose a design for a gasoline-electric unit (GEU) "Firefly", designed for charging batteries, powering lighting lamps and other DC consumers at 12 V.
I developed this unit three...
CAPACITORS REJECTS BASIC
I remember a few years ago in the journal "modelist-Konstruktor" there is the material possibility of measuring electrical capacitance using a PC "Specialist". Then published the program...