How long the coffee is roasted depends on a variety of factors, such as moisture, weight, grade, quality of the beans, desired darkness of the beans, and weather conditions.
Pupiņu grauzdēšanas ilgumu nosaka tādi faktori kā mitrums, svars, šķira, pupiņu kvalitāte, vēlamā grauzdējuma pakāpe, laikapstākļi un citi.