belongsTo(Equipment::class, 'equipment_id', 'equipment_id'); } public function equipmentWorkHistory() { return $this->belongsTo(EquipmentWorkHistory::class, 'equipmentWorkHistorys_id', 'equipmentWorkHistorys_id'); } public function elementalTask() { return $this->belongsTo(ElementalTasks::class, 'elemental_tasks_id', 'elemental_tasks_id'); } public function furtherTasks() { return $this->belongsTo(FurtherTasks::class, 'further_tasks_id', 'further_tasks_id'); } public function workstationsTaskAnswers() { return $this->hasMany(workstationsTaskAnswers::class, 'control_equipment_workstation_id', 'control_equipment_workstation_id'); } }