| 摘要 |
<p>A method of using a radiation-shielding assembly, the method comprising:
releasably attaching a cap of the radiation-shielding assembly to a body of the radiation-shielding assembly, wherein the releasably attaching comprises substantially covering an opening in the body of the radiation-shielding assembly, and wherein the cap is in a first orientation relative to the body upon completion of the releasably attaching;
detaching the cap from the body after the releasably attaching, wherein the detaching comprises uncovering the opening;
inverting the body;
non-attachedly engaging the body and the cap when the body is inverted wherein the non-attachedly engaging comprises substantially covering the opening in the body of the radiation-shielding assembly, and wherein the cap is in a second orientation opposite the first orientation relative to the body upon completion of the non-attachedly engaging; and
disengaging the body and the cap to uncover the opening after the non-attachedly engaging.
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