Contaminated sharp objects should be wrapped for protection from cutting through the disposal container. This container must be what?

The correct choice emphasizes the importance of proper marking for contaminated sharp objects. Marking the disposal container plays a crucial role in ensuring public safety and compliance with health regulations. Containers for sharps must be clearly labeled to inform personnel and the public that they contain hazardous materials. This labeling is essential in preventing accidental injuries and ensuring that those handling the waste understand the risks associated with its contents.

An adequately marked container serves as a visual warning and helps guide appropriate disposal methods. While sealing, locking, or using transparent containers could enhance safety in specific contexts or scenarios, the primary requirement for handling sharp objects revolves around proper identification and communication of the hazard, which marking directly addresses.