Steel Toe Shoes are durable shoes that have a steel reinforcement in the toe to protect the foot against falling objects. Steel Toe Shoes also often have steel inserts in their soles to prevent puncture from below. Steel Toe Shoes are important in the construction industry and in many industrial settings.
About Zipper:
A zipper, sometimes called a 'slide fastener' is a device consisting of two toothed tracks or spiral metal or plastic coils, each bordering one of two edges to be joined, and a piece that either interlocks or separates them when pulled.