I was twelve years old, and I read with interest all sections of the “M-K”. I especially like the heading “recommendations.” Maybe someone will be useful and my advice. To be planted on the windowsill the seedlings received more light, I use svetootrazhatelnuyu screen from normal pishevoi foil. This method gives good results even on the Windows facing North.
P. ACTION
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Alexander Konochkin — student of the physical-technical faculty of Tomsk state University. The choice of the future profession is not accidental — since childhood Sasha enjoys improvised...
SPACED AXIAL
To hold the centerline on the workpiece will help the device shown in the figure.
