If you have a lot of time to measure the volume of the same liquid or granular materials, make the appropriate mark on the measuring circle, glued at the right level strips of adhesive medical tape. At the same time can be done on them and the labels which are specified died.
Recommend to read
EXPRESS PROTRACTOR
Depending on the processed material from each drill must be properly sharpened. To verify the correct angle will help a specially prepared square plate of copper or aluminium with a...
TRANSISTOR – LIKE A TUBE
ULF bass reflex on one first transistor. Numerous calculations and experiments to create powerful high-quality low-frequency amplifier has led me to believe that the most promising way...