First, rotate the limit block. Then, hold the recessed parts on both sides of the worktable with your hands, lift the worktable up with the tabletop facing your chest. Next, give the worktable a strong swing, and it can be quickly unfolded. Finally, place the worktable steadily on the ground.

  First, place the sawhorse on the ground. Then, press the metal button on the sawhorse. While pressing the button, erect the folded metal legs of the sawhorse. After erecting the four legs of the sawhorse, rotate the sawhorse so that it stands upright on the ground.