Chirongwa ichi chinonyanya kutsiva zvinhu uye maturusi anoshandiswa mugaba & mabhodhoro-indasitiri kurongedza, anotsiva simbi tambo nePET kurongedza tambo, uye inoshongedza inoenderana pneumatic kana yemagetsi kurongedza turu yekuvandudza iko kurongedza kugona kwepepa. Inoshandiswa zvakanyanya mumagaba nemabhodhoro (senge mafireworks uye firecrackers, doro, poto yekupenda, isina simbi pfumbi yesimbi nezvimwe zvigadzirwa).