diff --git a/app/Models/Item.php b/app/Models/Item.php
index 360fee9..755080c 100644
--- a/app/Models/Item.php
+++ b/app/Models/Item.php
@@ -79,6 +79,11 @@ class Item extends Model
         return $this->hasMany(RequestCharacteristic::class, 'item_id', 'id');
     }
 
+    public function wireMasterPacking()
+    {
+        return $this->hasMany(WireMasterPacking::class, 'item_id', 'id');
+    }
+
     public function productionCharacteristics()
     {
         return $this->hasMany(ProductionCharacteristic::class, 'item_id', 'id');
diff --git a/app/Models/Plant.php b/app/Models/Plant.php
index c5c184f..e216092 100644
--- a/app/Models/Plant.php
+++ b/app/Models/Plant.php
@@ -109,6 +109,11 @@ class Plant extends Model
         return $this->hasMany(ProcessOrder::class, 'plant_id', 'id');
     }
 
+    public function wireMasterPacking()
+    {
+        return $this->hasMany(WireMasterPacking::class, 'plant_id', 'id');
+    }
+
     public function productionOrder()
     {
         return $this->hasMany(ProductionOrder::class, 'plant_id', 'id');