Siv dav hauv petrochemical, fais fab, dej, dej phwj kho, chaw nres nkoj terminals, tsev kho kom zoo nkauj, shipbuilding, tus kheej -propelled chaw nres tsheb, municipal engineering, ib puag ncig huv engineering, thiab lwm yam teb rau platforms, taug kev, trestle choj, trench npog, manhole npog, ntaiv, laj kab thiab kev tsim kho.
Steel grating yog ib qho kev hloov rau steel grating laj kab. Cov laj kab kuj tseem hu ua guardrails lossis cov laj kab sib cais, yog li lub sij hawm "steel grating hloov." Vim tias nws lub zog muaj zog ntau dua li cov guardrails, steel grating feem ntau yog kev cai - ua rau cov kev cai tshwj xeeb thiab tsis tshua siv dav. Tus nqi kuj yog 2 mus rau 1 npaug siab dua li cov guardrails.
