Zomwe zili m'chikwamachi ndi PET12/VMPET12+PET12/PE110, zokhala ndi zinthu zingapo komanso kumbuyo kwamkati ndi VMPET.Ndi zipi yapamwamba imatha kusindikizidwa kuti igwiritsidwenso ntchito, imatha kuyima mowongoka ndipo imathandizira kuwonetsa mashelufu.