Ndeipi nguva apo njanji yaizonzi njanji yenhaka?
Context:Njanji yenhaka kana njanji yenhaka (kushandiswa kweUS) njanji inoshanda senhoroondo mhenyu yekugadzirazve kana kuchengetedza zviitiko zvezvitima zvekare. Njanji dzenhaka dzinowanzova njanji dzekare dzakachengetedzwa mumamiriro ezvinhu anoratidza nguva (kana nguva) munhoroondo yekutakura njanji. The British Office of Rail and Road rinorondedzera nhaka njanji sezvinotevera: "... mitsetse yomunharaunda mubereko", miziyamu njanji kana wokushanyirwa njanji kuti akachengeta kana vakafungidzira hunhu uye chitarisiko uye kushanda tsika njanji kare nguva. Mitsetse inoverengeka inoshanda yoga inopa zvivako zvechokwadi zvokutakura, ichipa kubatana kwenharaunda. Mitsetse mizhinjisa inoumba zvinokwezva zvevashanyi kana zvedzidzo pachazvo. Zvizhinji zvezvinhu zvinotenderera nemimwe michina yakashandiswa mumasangano aya ndezvepakutanga uye zvine ukoshi hwenhau pachahwo. Zvirongwa zvakawanda zvinovavarira kudzokorora zvose zviri zviviri chitarisiko nemashandiro ekushandisa emakambani enjanji ekare.
Kazhinji kutaura, njanji inogona kunzi njanji yenhaka kana ichifungidzira chitarisiko, hunhu, uye mashandiro eiyo njanji kubva panguva ((s) yapfuura. Njanji idzi dzinowanzova dzekare uye dzakachengetedzwa nemaune kuti dzirambe dzichishanda kubva panguva dzakapfuura, dzichichengeta nemaune michina nemaitiro ekutanga kunguva yakapfuura. Njanji dzakawanda idzi dzakachengetedzwa nokuda kwezvinangwa zvedzidzo kana kuti zvinokwezva vashanyi.