INTERFACE WIDENING. 1  Assessment of width. Radiolucent zones wider than 2 mm are evidence for loosening. 2  Assessment of location Acetabular component 1-2 mm radiolucent zone cement-bone interface of superolateral aspect (Gruen zone 1) are frequently seen and not a sign of loosening.
When bar service is offered to guests at an event free of charge, it is known as a âhost bar.â This is in contrast with a cash or no-host bar, at which guests are expected to pay for their own drinks.
No Entry Signs. No entry signs help enforce your security policy, one that is important for any facility or business that wants to control access of certain areas to authorized employees and visitors. Workplace hazard areas or those with valuable property require that you ensure that no entry signs are posted and only certain people have access and security clearance to them.