A razor is a bladed tool that people use to shave hair from various parts of the body. There is evidence indicating that razors were in existence before the Bronze Age. Obsidian and bronze were the major materials used to make these tools in most ancient worlds. They were oval-shaped with tangs protruding from the short end. The ordinary razors in use today were invented in the eighteenth century, with electric models coming up in the 1960s.
Technology has evolved how these products are made. The market today has a huge variety of cheap razor blades to choose from. Straight razors, disposable razors, and electric razors are examples of razors on the market. Each variety was invented at a different time.
Straight razors were the dominant types of razors in use before the advent of the 20th century. Cut-throats is the other name for straight razors. They consist of handled with a single sharpened edge. Carbon steel and stainless steel are the two most commonly used material in making them. Stainless steel blades are durable but hone and strop more slowly. Conversely, carbon steel blade hones and strops faster but does not last long.
Both carbon steel and stainless steel blades are in production by various companies, but stainless steel blades are much harder to come across. The razor rotates between two protective scales on a pin. The scales protect the user from injury and the blade from damage when it is folded. Handle scale may be made from celluloid, mother-of-pearl, wood, plastic, or bone. Ivory was in use some times back, but its use has been discontinued.
Disposable blade straight razors look like straight razors and are used in the same way. The main difference is that razors are disposed after use. They may be designed to use a single-edged blade or double-edged blade. These varieties do not require honing or stropping. The razors are prone to wearing out fast. The useful life of blades can be prolonged by providing proper care such as cleaning and drying well when not in use.
Safety razors are designed to protect the skin from cuts from all parts of the equipment, but the edge. Jean-Jacques Perret is credited with inventing it in 1762. Safety razors have similar designs as straight razors, with the difference being that their blade is enclosed in sleeves. The skin is protected by safety bars in modern varieties. Double-edged and single-edged models are the two types of safety blade in existence.
Electric razors also go by the name electric dry shavers. These models have an integral oscillating or rotating blade. They run on tiny DC motors, which derive their power from either batteries or electrical energy from the mains. Water, shaving cream, and soap are not necessary when using these devices.
Other models of electric razors use rechargeable batteries. Another option besides rechargeable batteries is electro-mechanical oscillators which are driven by AC-energized solenoids. The initial electric razors used to be powered by hand. One had to pull a cord which drove a flywheel.
Technology has evolved how these products are made. The market today has a huge variety of cheap razor blades to choose from. Straight razors, disposable razors, and electric razors are examples of razors on the market. Each variety was invented at a different time.
Straight razors were the dominant types of razors in use before the advent of the 20th century. Cut-throats is the other name for straight razors. They consist of handled with a single sharpened edge. Carbon steel and stainless steel are the two most commonly used material in making them. Stainless steel blades are durable but hone and strop more slowly. Conversely, carbon steel blade hones and strops faster but does not last long.
Both carbon steel and stainless steel blades are in production by various companies, but stainless steel blades are much harder to come across. The razor rotates between two protective scales on a pin. The scales protect the user from injury and the blade from damage when it is folded. Handle scale may be made from celluloid, mother-of-pearl, wood, plastic, or bone. Ivory was in use some times back, but its use has been discontinued.
Disposable blade straight razors look like straight razors and are used in the same way. The main difference is that razors are disposed after use. They may be designed to use a single-edged blade or double-edged blade. These varieties do not require honing or stropping. The razors are prone to wearing out fast. The useful life of blades can be prolonged by providing proper care such as cleaning and drying well when not in use.
Safety razors are designed to protect the skin from cuts from all parts of the equipment, but the edge. Jean-Jacques Perret is credited with inventing it in 1762. Safety razors have similar designs as straight razors, with the difference being that their blade is enclosed in sleeves. The skin is protected by safety bars in modern varieties. Double-edged and single-edged models are the two types of safety blade in existence.
Electric razors also go by the name electric dry shavers. These models have an integral oscillating or rotating blade. They run on tiny DC motors, which derive their power from either batteries or electrical energy from the mains. Water, shaving cream, and soap are not necessary when using these devices.
Other models of electric razors use rechargeable batteries. Another option besides rechargeable batteries is electro-mechanical oscillators which are driven by AC-energized solenoids. The initial electric razors used to be powered by hand. One had to pull a cord which drove a flywheel.
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