19. Ubugari bwa romoruki ikuruwe n'igare cyangwa velomoteri ntiburenza ibipimo bikurikira
20. Ibinyabiziga bikoreshwa nka tagisi, bitegerereza abantu mu nzira nyabagendwa, bishobora gushyirwaho itara ryerekana ko ikinyabiziga kitakodeshejwe. Iryo tara rishyirwaho ku buryo bukurikira
21. Za otobisi zagenewe gutwara abanyeshuri zishobora gushyirwaho amatara abiri asa n'icunga rihishije amyasa kugirango yerekane ko zihagaze no kwerekana ko bagomba kwitonda, ayo matara ashyirwaho ku buryo bukurikira
22. Ibyapa bitegeka bikozwe muyihe shusho?

23. iki cyapa gisobanura iki ?

24. Imbere yawe iki cyapa kikubwiye iki ?