Inkqubo yesilingi yegridi yohlulwe ngokwegrille main studs, i-secondary studs kunye ne-high main keel system.
Igrille main studs kunye sub studs zonke ezikhethekileyo metal hollow web uhlobo slats. Inkqubo yesilingi yegrille yisilingi yokuhombisa evulekileyo eyenziwe ngokudityaniswa kwegrille engundoqo kunye nemicu engaphantsi kwethambo kwiminqamlezo ethe nkqo kunye ethe tye.
Inkqubo yesilingi yegridi inesiphumo esihle sokungenisa umoya, ukusebenza okuphezulu komlilo, ukufakela okulula, ulwakhiwo oluthambileyo, iileya ezityebileyo, isiphumo esivulekileyo samacala amathathu, inkangeleko entle emva kokuhombisa kunye nemibala emihle.