Kedu ụkpụrụ maka Rails? - Ndị Royal Group

Ngwá okporo ụzọ bụ ihe ndị dị mkpa na okporo ụzọ dị mkpa na-ejikarị na ụzọ ụgbọ oloko iji kwado ma duzie ụgbọ oloko. A na-edobe ụkpụrụ nke okporo ụzọ okporo ụzọ na mba ma ọ bụ mpaghara mpaghara mwube ụlọ ọrụ iji hụ na arụmọrụ nchekwa na arụmọrụ nke arụmọrụ. Ihe ndị a bụ ụfọdụ ụkpụrụ ụzọ ụgbọ okporo ígwè:
1. American Standard (Arema Standard): Ndị ọrụ ụgbọ okporo ígwè America mepụtara), gụnyere okporo ụzọ dị iche iche na nkọwapụta dị iche iche, dịka 115re, 132. 13E, wdg 138.
2. Usoro European: Usoro European (EN) na-eji nzukọ ndị Europe ka emepụta (cen), dị ka Europea usoro iwu Europe na 13674, wdg.
3. Courselọ ndị China: Courway Corporated na-agụnye ụdị okporo ụzọ na-agụnye ụdị dị iche iche na nkọwapụta okporo ụzọ dị iche iche, dịka GB11264, GB2585, GB2585, GB2585, GB2585, GB2585, GB2585, wb2585, GB2585, GB2585, GB2585, GB2585, GB2585, GB2585, wb2585, GB2585, GB2585, GB2585, GB2585
4. Usoro nke International: International Station Servicesso (Ngalaba International Security for Production) emepụtakwara ụfọdụ ụkpụrụ mba ụwa maka usoro iwu, dịka IS07092, Is4689, wdg.