Korean kerosene (gas) heater, Kerona brand, model Kerona WKH-88X. Here is a quick guide on how to operate it, use it safely, and its most prominent specifications: Operation and Usage Steps Fueling: Open the side tank cap and fill the heater with pure kerosene (gas) only. Absolutely avoid using gasoline or any other fuel to prevent fires. Wick Waiting: If the heater is new or the wick has been recently replaced, wait 20 to 30 minutes after filling for the fabric to fully absorb the fuel before igniting to avoid damaging the wick. Wick Raising: Turn the green circular knob (in the middle) to the right (towards HIGH) all the way to raise the wick to the ignition level. Manual Ignition: Slightly lift the wire safety guard or the glass chimney using the small handle mechanically, then ignite the wick with a match or a manual lighter, and return the chimney to its place, ensuring it is stable and balanced for clean, smokeless combustion. Control and Heat Important Safety Instructions: 🌬 Good Ventilation: The heater consumes oxygen, so a window or door should be left partially open to renew the air and prevent the room from being suffocated by carbon monoxide. 🚷 Supervision and Safety: Do not leave the heater operating unattended or while sleeping. Keep children, clothing, and flammable furniture at a safe distance of at least one meter from it. 📊 Prominent Technical Specifications Fuel Tank Capacity: Approximately 7.1 liters. Operating Time: A full tank is sufficient for continuous operation for approximately 8 to 12 hours. Estimated Heating Area: Covers an area of up to 28 - 32 square meters.