Scaffoldings

Scaffolding, tseem hu ua scaffold lossis staging, yog ib qho qauv siv ib ntus siv los txhawb cov neeg ua haujlwm thiab cov khoom siv los pab hauv kev tsim kho, kho thiab kho vaj tse, txuas hniav thiab tag nrho lwm cov qauv tsim los ntawm cov neeg ua haujlwm.Scaffolds tau siv dav hauv qhov chaw kom nkag mus rau qhov siab thiab thaj chaw uas yuav nyuaj rau mus.