2.7. Holding Non-Smokers in the Same Place with Smokers 2.7.1. 2.7.2. 2.7.3. If possible, measures shall be taken for non-smokers deprived of liberty to be held separately from smokers deprived of liberty. Based on medical indication due to the person’s health condition, it is mandatory that smokers deprived of liberty be held separately from non-smokers deprived of liberty. Training courses shall be organized for PI staff, which shall discuss the internal legal acts (if any) that restrict the holding of non-smokers deprived of liberty in the same cell (living area) with smokers deprived of liberty. 2.8. Sanitation, Hygiene, and Living Conditions 2.8.1. Persons deprived of liberty shall be held in adequate material and living conditions that do not humiliate human dignity. The following conditions have, accordingly, been found to be inadequate:  High degree of humidity in the cell and/or bathroom, or the walls, ceiling, and floor of living areas and other accommodation being damp or plaster having fallen off;  Cell windows being broken or absent;  Artificial ventilation systems not existent or not working or not being used;  Cells not having sufficient natural light;  Penetration of sewerage water into the cell, and dirt a foul odor spreading in the living areas and other accommodation;  The presence of insects (cockroaches, bed bugs, and others) and the inadequate performance of disinfection and parasite elimination activities; 35