diff --git a/app/Models/ItemCharacteristic.php b/app/Models/ItemCharacteristic.php
index 3c278ea..e15df77 100644
--- a/app/Models/ItemCharacteristic.php
+++ b/app/Models/ItemCharacteristic.php
@@ -142,6 +142,9 @@ class ItemCharacteristic extends Model
         'zmm_motor_heading',
         'zmm_motor_speed',
         'zqmm_qty',
+        'zmm_logo_eac',
+        'zmm_operating_temperature',
+        'zmm_axial_force',
         'mrp',
         'zmm_1',
         'zmm_2',