This contemporary tank trailer ended up being built in line with the latest findings when it comes to security precautions. "TOPAS" stands for "Tank automobile with optimal passive and active security installments". These include: ABS, low gravity-center, high-positioned break lights and framework security integrated aerodynamic form. The tank has elliptic dual wedge form as well as for fat reasons is built of light metals. In the foreseeable future, for their very inflammable payload, most tank trailers will likely be built-in similar shape.