荷物/運送/搬送/運ぶ/郵送/運搬/工場/物品/資材/在庫/管理/倉庫/段ボール/積み荷/重い/軽い/過積載/精密機械
Luggage / Transportation / Transportation / Transportation / Mailing / Transportation / Factory / Goods / Materials / Inventory / Management / Warehouse / Cardboard / Loading / Heavy / Light / Overloading / Precision Machinery
Illustration of cardboard for caution against cracks
