安全性

1. Origins, structure, and basic meaning

• Structure: 安全性 is a noun read あんぜんせい, meaning the degree to which equipment or material is safe from danger.
• Basic usage: Use 遊具の安全性を確認する for checking safety and 安全性も比べる for including safety in a comparison.
  • 新しい遊具の安全性を専門の担当者が確認しました。 describes a specialist checking the safety of new playground equipment; 材料を選ぶ際は、丈夫さだけでなく安全性も比べます。 says that when choosing materials, safety is compared as well as durability.

2. Common pitfalls and similar expressions

• 安全性を確認する
  • を marks safety as the property checked by the specialist.
• だけでなく…も
  • This construction adds safety to durability instead of limiting the comparison to durability alone.
• 選ぶ際は
  • 際 identifies the occasion or situation in which the materials are selected.