Most commercial aircraft in service recirculate 50 percent of the air delivered to the passenger cabin for improved control of cabin circulation, humidity and fuel efficiency.

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The special exhibitions are possible now in large part because of recent renovations allowing museum officials to control humidity and temperature to protect fragile works on loan.

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To help ensure optimal temperature and humidity control, as well as performance in each of the fresh food zones, the T9000 has Samsung's Triple Cooling system.

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Examples of preventive conservation are: appropriate measures and actions for registration, storage, handling, packing and transportation, security, environmental management (light, humidity, pollution and pest control), emergency planning, education of staff, public awareness, legal compliance (source: ICOM-CC definition).

UNESCO: CULTURE