belongsTo(Plant::class); } public function stickerMasters() { return $this->hasMany(StickerMaster::class, 'item_id', 'id'); } public function productionQuantities() { return $this->hasMany(ProductionQuantity::class); } public function motorTestingMasters() { return $this->hasMany(MotorTestingMaster::class); } public function testingPanelReadings() { return $this->hasMany(TestingPanelReading::class); } }