1The bracket is made of aluminum alloy material and has good thermal conductivity. 2Scientific design of the overall structure to ensure system integrity and stability 3Excellent corrosion resistance and fading resistance, high temperature vacuum treatment does not change color 4Good performance, safe and stable, high surface hardness and not easy to be scratched. 5The surface is of finishing treatment, it is beautiful Item Type: Stirling Engin Suitable for physics teaching .w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid000;};.w-e-text table,.wang-edit-text table{border: 1px solid000important;}1 X Engine1 X Wick1 X Spare Heating Tube1 X Transparent Plastic Tube1. When adding alcohol to the alcohol lamp, be sure to operate the alcohol lamp in the extinguished state.2. If the alcohol is not carefully spilled onto the mold base or the table, please wait until the alcohol is completely swayed or dry the wine, then turn on the fire.3. The wick of the alcohol lamp can't touch the test tube. When the wick burns, it will produce water vapor. If it touches the test tube, it will cause the test tube to break.4. This engine model has a higher speed-to-speed ratio and will generate vibration when it is running. It should be carefully rolled off the table.5. Be careful when heating to prevent burns.