1) Produced like some olive oil 
The process in which oils are extracted under mechanical pressure at low temperatures, typically less than 125° Fahrenheit.
<technique> A more natural process by which vegetable oils are produced to yield greater nutrient value. Cold pressing does not use heat or chemicals that commercial pressing does. ... (27 Sep 1997) ... 
Watercolour paper that is Cold Pressed (CP) or 'Not' Pressed (NP) has mildly rough texture. It takes colour smoothly but the tooth allows for slight irregularities and graining in washes.
Watercolour paper that is Cold Pressed (CP) or 'Not' Pressed (NP) has mildly rough texture. It takes
Watercolor paper that is Cold Pressed (CP) or 'Not' Pressed (NP) has mildly rough texture. It takes color smoothly but the tooth allows for slight irregularities and graining in washes
An oil extraction process using mechanical pressure and minimal heat, that is commonly used for many citrus and fixed oils. Using low heat, typically below 120 degrees Fahrenheit, reduces deterioration of valuable oil components.