Safety razor

device · 1901 · Electric age

A razor with a replaceable blade (Gillette).

What it is made of

Replaceable blade — has part. A thin steel blade.
Razor head — has part. It holds the blade at an angle.
Handle — has part. A handle.

Principles and materials it uses

Steel — is made of. The blade.
Wedge — uses. The blade is a wedge.

Take Safety razor apart