
If a wooden bar and drill two holes the diameter of pencils or flomasterom — get a new handy tool for drawing or sketching: one motion will be two parallel lines. Instead of a single bar it is possible to use two longitudinal halves, in which to choose the grooves for writing the stems and then tie or glue the workpiece.
Recommend to read
VORTEX FILTERS…
At furniture factory No. 4 in Tiraspol participants NTTM has developed a vortex oil separator — special filter for cleaning compressed air used for the atomization of paints and...
COMES TO THE AID OF “LETRAN”
A simple actuator that turns ordinary wheelchairs into self-propelled designed for small business "Electric" engineer A. COHOM. The device is simple enough; to make it even in the...