diff --git a/app/Models/ClassCharacteristic.php b/app/Models/ClassCharacteristic.php
index 4d8b0d7..8271bad 100644
--- a/app/Models/ClassCharacteristic.php
+++ b/app/Models/ClassCharacteristic.php
@@ -109,6 +109,7 @@ class ClassCharacteristic extends Model
         'zmm_logo_cp',
         'zmm_logo_ce',
         'zmm_logo_nsf',
+        'zmm_logo_eac',
         'zmm_beenote',
         'zmm_beenumber',
         'zmm_beestar',
@@ -142,6 +143,15 @@ class ClassCharacteristic extends Model
         'zmm_eff_ttl',
         'zmm_type',
         'zmm_usp',
+        'zmm_operating_range',
+        'zmm_intake_air',
+        'zmm_oxygen_transfer_rate',
+        'zmm_air_inlet_pipesize',
+        'zmm_sump_depth',
+        'zmm_poles',
+        'zmm_motor_heading',
+        'zmm_motor_speed',
+        'zqmm_qty',
         'mark_status',
         'marked_datetime',
         'marked_physical_count',