To decrease drying time, restorers can increase the __________ of moisture in materials.

Increasing the temperature of moisture in materials significantly enhances the evaporation rate during the drying process. When the temperature rises, the energy of the water molecules increases, causing them to transition from the liquid state to vapor more quickly. This process is driven by the principle that warmer air can hold more moisture than cooler air.

In the context of restorative drying, higher air temperatures not only help accelerate moisture evaporation from materials but also allow for the air to carry away more moisture, thereby reducing overall drying time. This technique is effective when combined with proper air circulation and dehumidification strategies.

Other factors, such as the density of materials or the pressure of the environment, do not have the same direct and immediate impact on the drying process. While concentration of moisture might refer to how much moisture is present, it does not directly address the mechanics of how drying occurs within the materials being treated.