What does the manhole cover en124c250 mean?

[Graham]

The manhole cover en124c250 refers to a newly introduced European standard for manhole covers used in roadside drainage channels and areas for vehicle and pedestrian traffic, with a test load capacity of 250KN (kilonewtons). The test load capacity is 125KN (kilonewtons). Below is some relevant information about automobiles: 1. Definition of an automobile: According to the latest Chinese national standard "Terms and Definitions of Types of Automobiles and Trailers" (GB/T3730.1-2001), an automobile is defined as a non-rail-borne vehicle powered by an engine, with four or more wheels, primarily used for transporting people and/or goods; towing vehicles that carry people and/or goods; or for special purposes. 2. Introduction to domestic automobile brands: Domestic automobile brands include Hongqi, Changan, Great Wall, Chery, Geely, Roewe, BYD, etc.