hat
2. Grating kouvèti tranche konpoze pa Tir fiks &amp; detachable kouvèti griyaj. Li kapab note kòm GT &amp; GU an tèm de estrikti diferan yo.
eng
2. Grating trench cover composed by fixed fram &amp; removable grating cover. It can be noted as GT &amp; GU in terms of their different structures.