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A portrait of Benjamin Franklin. Born in 1706 and died in 1790.

Benjamin Franklin

A portrait of Benjamin Franklin. Born in 1706 and died in 1790.

Safety glasses are usually made with shatter-resistant plastic lenses to protect the eye from flying debris. Although safety lenses may be constructed from a variety of materials of various impact resistance, certain standards suggest that they maintain a minimum 1 millimeter thickness at the thinnest point, regardless of material. Safety glasses can vary in the level of protection they provide.

Round Safety Glasses

Safety glasses are usually made with shatter-resistant plastic lenses to protect the eye from flying…