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
UNIVERSAL RUBBER MOTOR
Still, the vast majority of models of submarines with rubber motor class EL-500 (500 mm in length) are built on the same scheme. However, the adopted version with the detachable bow and...
MANNED EDUCATIONAL…
Three sticks — two strings... So modelers joking about educational models. Those and in fact, usually— solid wood: the wing and the fuselage, and the stabilizer keel of the purple...