🎄ต้นคริสต์มาสA Christmas tree. Means Christmas, holidays and decorating. Use it for December posts and festive greetings.
🥼เสื้อกาวน์A lab coat. Means science, medicine and experiments. Use it for research, doctors and "back to the lab". Alternative: 🧪 (test tube), 🔬 (microscope).