1. Ngwá ọrụ a bụ usoro ngwaahịa, tumadi mejupụtara ite ahụ, jaketị, tipping, edemede na ogbe.
2. A na-eji ahụ ite dị n’ime na nke dị na-agbado ahụ ite. A na-eji ite igwe anaghị agba nchara 06Cr19Ni10 nke ime na mpụta, nke a na-agbado site na ntinye ntinye zuru oke dịka GB150-1998 siri dị.
3. Ite tiltable bụ wheel worm, worm, wheel aka na oche ebu.
4. The tiltable frame mejupụtara iko mmanụ, ibu oche, bracket na na.