Concrete test molds made of plastic composites due to lightweight and less expensive, alternative forms of iron are present.
Metal blade to avoid transformation
Body with vertical and diagonal grid for increase strength
The rapid opening and closing with no bolts
All concrete water storage
Perfect concrete water storage
Reinforced strong fuselage With extra appendages for saving the use of the hammer to separate the theme of concrete
which not only has more strength of HIPS materials but also has smooth internal surface reverse.