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What material were originally used to make eyeglasses?
Eyeglasses were originally made from two convex glass lenses with metal wrapped around them.
What three types of materials are used to make impressions?
Dental materials are examples of materials that are used to make impressions.
When and where did eyeglasses diffused?
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.
Who first used plants to make materials?
who first used plants to make materials
What materials was used to make coal trucks?
what materials were used to make coal trucks
What Materials are used to make a blanket?
Wool or Cotton. They are both materials that can be used to make a blanket.
What are materials used to make blanket?
Wool or Cotton. They are both materials that can be used to make a blanket.
What materials are used to make cement?
The materials used to make cement are,Calcareous materials (limestone)Argillaceous materials (clay)gypsumCoal dustIron oxidemagnesiumAlkalies
Is eyeglasses a plural possessive noun?
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.
What were early eyeglasses made from?
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.
Is plastic and clay used for making lens?
No, plastic and clay are not typically used to make lenses for cameras or eyeglasses. Lenses are usually made from materials such as glass or specialized plastics that have optical properties suitable for focusing light. Clay is not a suitable material for making lenses due to its composition and properties.
What materials was originally used to make the first electric fan?
what materials were used to make the first electric fan
