Suitable for: indoor and outdoor ceiling spraying, expansion joint leakage, leakage of settlement joints, subway leakage, tunnel leakage, mine plugging, civil anti-leakage engineering, dam leakage leakage, floor, crack, empty drum reinforcement, cement Mortar spraying, dry mortar spraying, waterproof grouting and waterproof surface spraying, waterproof spraying, grouting, ceiling spraying, wall spraying, paint spraying, garden spraying, embossing effect coating spraying, handicraft spraying, latex paint, real stone paint, rockery spraying, sculpture Spraying, sound absorbing material spraying.