Well mixed mortar is quite a heavy mixture, which is difficult to work with. To give greater plasticity, the builders introduced it with various additives, such as clay. Work becomes easier, but decreases the strength of concrete. Craftsmen have found a compromise. Enough mixing to add to the solution… washing powder. Just one spoon of it in a bucket mix enough concrete to become pliable while remaining durable.
Recommend to read
SUPERPLANES MOSCOW MODELERS
The history of the development of the expense of building a traditional class of models of gliders is replete with numerous examples of advances in the field of aerodynamics and design...
GLIDER IS AVAILABLE FOR BEGINNERS
Model glider, which we would like to tell the readers of the magazine, was built of the most simple and cheap materials. I think that its design will be of interest to novice modelers....
