The volume of a solid (whether regularly or irregularly shaped) can be determined by fluid displacement. Displacement of liquid can also be used to determine the volume of a gas. The combined volume of two substances is usually greater than the volume of one of the substances.
All donations of clothing, furniture and other resalable items are handled through The Salvation Army Adult Rehabilitation Centers. Donations received help provide services for substance abuse treatment and recovery programs. Call 1-800-1-800-SA-TRUCK (1-800-728-7825) or 1-888-574-2587.
To find a location near you, enter your Zip Code on the Donate Goods page of the Salvation Army website. Alternately, call the Salvation Army at 1-800-728-7825 to schedule a donation pick-up. You can also schedule a pickup online, including for automobiles in some areas. Enter your Zip Code in the appropriate box on the Donate Goods page.