List the main steps in performing a weld inspection with angle-beam UT.

• A. Surface preparation, select wedge/angle, calibrate with a reference reflector, scan along the weld, collect A-scans at key positions, interpret echoes and size defects.
• B. Only scan along the weld without calibration.
• C. Clean the surface and measure thickness by calipers.
• D. Use random angles and infer from color on screen.

Answer: (A)