Kodi miyezo ya njanji ndi yotani? - Royal Group

Njanji ndi chinthu chofunikira kwambiri chomwe chimagwiritsidwa ntchito kwambiri panjanji pothandizira ndikuwongolera masitima apamtunda. Miyezo yazitsulo zazitsulo nthawi zambiri imayikidwa ndi mabungwe amtundu wa njanji kapena chigawo kuti atsimikizire chitetezo ndi ntchito yabwino ya kayendedwe ka njanji. Zotsatirazi ndi zina zodziwika bwino za njanji:
1. American Standard (AREMA Standard): yopangidwa ndi American Railway Engineering and Maintenance Association (AREMA), kuphatikizapo njanji zamitundu yosiyanasiyana ndi mafotokozedwe, monga 115RE, 132RE, 136RE, etc.
2. Miyezo yaku Europe: Miyezo yaku Europe (EN) imapangidwa ndi European Organisation for Standardization (CEN), monga European rail series standards EN 13674, etc.
3. Miyezo yaku China: Miyezo yaku China imapangidwa ndi China Railway Corporation ndipo imaphatikizapo mitundu yosiyanasiyana ndi mawonekedwe a njanji, monga GB11264, GB2585, ndi zina.
4. Miyezo yapadziko lonse lapansi: International Standards Organisation ISO (International Organisation for Standardization) yapanganso miyezo yapadziko lonse ya njanji, monga IS07092, IS01689, ndi zina.