This is a reusable notebook, designed to withstand adverse weather conditions and heavy use. Notes can be easily erased when needed, while the outlines on the pages remain intact. The notebook is also fully waterproof. For writing, the manufacturer recommends using a graphite pencil with "HB" hardness. Colored pencils and ballpoint pens can also be used.
To erase notes, an eraser can be used; if it's unavailable, wet sand or soil mixed with water can serve as alternatives. For writing with a pen, a special spray is required.
Care Instructions: After prolonged use, soot, grease, and other contaminants can be cleaned off with alcohol solutions, detergents, glass cleaners, or gasoline. Always follow fire safety precautions when using these cleaning agents.
For making notes, the manufacturer recommends using a graphite pencil with hardness "HB". It is also allowed to use colored pencils and a ballpoint pen.
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