Stola This created the illusion of layers, a symbol of wealth and status. Stolas were made in a variety of colors including red, yellow, and blue. Decorations were also added to the neckline and hem. For common women, these would be a simple band of color or pattern. For wealthier women, more details and embellishments were used. A wide ornamental border called an instita was often used around the neckline and hem as a display of wealth. Stola The stola was the traditional garment of Roman women, corresponding to the toga, that was worn by men. The stola was usually woollen.
Roentgen equivalent man sievert in 1980, but never accepted the use of the rem. The US National Institute of Standards and Technology (NIST) recognizes that this unit is outside the SI, but temporarily accepts its use in the US with the SI. The rem remains in widespread use as an industry standard in the US. The United States Nuclear Regulatory Commission still permits the use of the units curie, rad and rem alongside SI units. The following table shows radiation quantities in SI and non-SI units: Roentgen equivalent man The roentgen equivalent man (or rem) is an older, CGS unit of equivalent dose,