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In some large exhibition design activity, all instrument、machinery、equipment and model that need consume energy need certain motive support, such as electric power, air compression, vapour and so on. These assistant facilities also need occupy certain space, and have to consider separating this space of facility and exhibition environment so as to avoid noise, pollution of harmful gas, therefore,  preparing security precautions. Understanding this disposal of assistant space is security for accomplishing the whole exhibition activity successfully. In the process of space design, putting visitor’s need first, we should pay attention to security for exhibition. For example, the arrangement for visiting filament line must consider uncertain factor that might happen, such as power cut, fire alarm, unexpected disaster and so on, must consider related urgent measures.

In a large exhibition activity, there are enough exit passageway and urgent indication sign, urgent light system and so on. In order to provide convenient for visitors, booth space design should take visitor’s pass, convenient for rest, and special needs of disable people into consideration. In an effort to fulfill “no hinder“ design, which is a development trend for modern display design and design for business exhibition space.