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HS Code 8424 encompasses mechanical appliances for projecting, dispersing, or spraying liquids or powders. The classification includes detailed subcategories for fire extinguishers (8424.10), spray guns (8424.20), steam/sand blasting machines (8424.30), agricultural spraying equipment (8424.41-8424.49), other spraying equipment (8424.82-8424.89), and parts (8424.90). This fluid dispersion technology category includes equipment for controlled distribution of materials in liquid or powder form. Products range from simple garden sprayers to sophisticated industrial coating systems and fire suppression installations. Technical specifications focus on distribution pattern uniformity, droplet/particle size control, flow rate precision, and operational reliability. Applications span agricultural crop protection, industrial surface treatment, cleaning processes, and safety systems. This division represents specialized equipment enabling precise application of materials onto surfaces or into spaces, supporting efficient use of chemicals, coatings, and other materials through controlled dispersion methods that optimize coverage while minimizing waste or environmental impact.