Samsung GR LENS A12 - Manual (Page 47)

Storage
• Do not store the camera where it will be exposed to: extreme heat or
humidity; large changes in temperature or humidity; dust, dirt, or sand; severe
vibration; prolonged contact with chemicals, including mothballs and other
insect repellent, or with vinyl or rubber products; strong magnetic fields (for
example, in the vicinity of a monitor, transformer, or magnet).
• When storing, place the product in a camera case, etc. that does not collect
dirt or fluff to prevent dirt or dust from attaching itself to the camera.
In addition, when carrying the camera, do not place the camera directly into a
pocket, etc., in order to prevent dirt and dust from getting on the camera.