Cake Consistency : According to API RP 13B, such notations as "hard," "soft," "tough," "rubbery," "firm," etc., may be used to convey some idea of cake consistency. (Bul 10C, Bul D11)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}