DECS manufacturers recommend a variety of DECS cleaning techniques to remove the ash from devices. You are required to use techniques identified by the manufacturer that are developed under the assumption that the ash is a hazardous waste.
Pregnancy massage is a catch-all term for any hands-on massage during or after pregnancy. Massage while you are pregnant is also called antenatal massage. Massage in the few months after delivery is called postnatal massage. A pregnancy massage typically lasts an hour. Some practitioners use a pregnancy massage table.
A stone massage is a massage that uses smooth, flat, and heated rocks placed at key points on the body. Stones (usually basalt) are placed into an electric slow-cooker or a purpose-built device which is filled with water. The water is typically heated to 52-54 degrees Celsius (122-127 degrees Fahrenheit).