Eyeglasses are made with materials such as metal and glass. The glass is the most important part of the glasses as they form the lens which the glasses are used for.
Eyeglasses were originally made from two convex glass lenses with metal wrapped around them.
Dental materials are examples of materials that are used to make impressions.
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This question does not make sense... but I am answering it as 'When were the eyeglasses invented?' and the answer is in 1284 in Italy by Salvino D'Armate.
Wool or Cotton. They are both materials that can be used to make a blanket.
Wool or Cotton. They are both materials that can be used to make a blanket.
The materials used to make cement are,Calcareous materials (limestone)Argillaceous materials (clay)gypsumCoal dustIron oxidemagnesiumAlkalies
The word 'eyeglasses' is a singular and plural noun; it is one of the nouns that are a singular word for 'a pair of', such as scissors, pants, etc. The singular, 'eyeglass' is the word for the lens in the eyeglasses. For example, 'I'm wearing my eyeglasses.' or 'I have two pair of eyeglasses.' The plural possessive is eyeglasses'. Example sentence: The eyeglasses' lenses need cleaning.
Early eyeglasses were typically made from materials such as bone, horn, leather, or metal. The lenses were often made from polished quartz, glass, or crystal. These materials were shaped and crafted by hand to create the earliest forms of corrective eyewear.
The dental materials are examples of materials that is used to make impressions.
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