sentences:  Additionally, temperature and humidity should be kept as constant as possible; changes in either of these may cause the textile fibers to expand and contract, which, over time, can also cause damage and deterioration to the textile.For this reason, both storage and display areas should be fitted with monitoring equipment to gauge the temperature and humidity of rooms, display cases, enclosed storage facilities, and work areas.Ideally, temperature should be kept around 70 degrees Fahrenheit, though some slight fluctuation in either direction is permissible, as long as it occurs gradually.