diff --git a/app/Models/Plant.php b/app/Models/Plant.php
index 6685a97e4..d121126d2 100644
--- a/app/Models/Plant.php
+++ b/app/Models/Plant.php
@@ -37,4 +37,24 @@ class Plant extends Model
    {
        return $this->hasMany(Line::class, 'plant_id', 'id'); // Ensure 'plant_id' is the foreign key in 'lines' table
    }
+
+    public function items(): HasMany
+    {
+        return $this->hasMany(Item::class);
+    }
+
+    public function stickersMasters(): HasMany
+    {
+        return $this->hasMany(StickerMaster::class);
+    }
+
+    public function invoiceValidations()
+    {
+        return $this->hasMany(InvoiceValidation::class, 'sticker_master_id');
+    }
+
+    public function qualityValidations()
+    {
+        return $this->hasMany(QualityValidation::class, 'sticker_master_id');
+    }
 }