蓝色GasMatic丙烷燃料罐与黄铜喷火嘴

写实产品静物摄影，纯白无缝背景，一只细长圆柱形蓝色金属丙烷燃料罐垂直居中直立，罐身可见磨损与反光，中上部贴红色矩形标签，标签上有白色大字“GasMatic”和“PROPANE FUEL”，下方有密集的黑色说明与警示小字；顶部为银色金属阀体与黑色旋钮，连接一根向上弯曲偏左的黄铜色喷火管，管口斜向左上；超长竖幅构图，正面平视机位，均匀柔和的棚拍光照，高光清晰，蓝色略旧，白底有轻微接触阴影，整体工业写实风格，画幅比例约1:5。

Realistic product still-life photography on a seamless pure white background, a tall slender cylindrical blue metal propane fuel cylinder standing upright and centered, with visible wear and reflections on the blue body; a rectangular red label on the upper middle with large white text "GasMatic" and "PROPANE FUEL", plus dense small black instructions and warning text below; the top has a silver metal valve body and black knob, connected to a brass torch tube bending upward and to the left, nozzle angled up-left; ultra-tall vertical composition, frontal eye-level view, soft even studio lighting, clear highlights, slightly worn blue paint, subtle contact shadow on white, industrial realistic style, aspect ratio about 1:5.