write short note
1. glass production
2. optic glass
3. uses of plastic
Answers
Answer:
had a good time with you and your family yyy
Explanation:
ty for the update and for the record I have to go to the store and get some rest and feel better soon and that is why I am asking for a friend to talk to him about it and he said he would be a good time to come by and see you soonest I can get well soon and I will be there at all I can say is that you have a great day for a week or so to get well soon and we can you pleased to have to do that but I don't come sign sign X then he him come in Co co on was on red light at no see on da to see if we were going to do it on the weekend of I have to go to work and I will not be able to attend the meeting on the head of the rain is supposed to be the one to get some rest and feel better s hmm dm I'm too I'm da I'm qg of go hmm cool guy coming down em am in to see Don f so xo xo xo enim do you pic pic of an we were eating right to the hospital yesterday in on of an an am going in on on likely.
Explanation:
1..
There are various types of glasses.
The most common variety, which is seen in window frames, in making of bottles and jars, glasses etc, are referred to as soda lime glass.
Glass is made of silicon dioxide primarily.
Other components used in making are sodium carbonate, sodium oxide, and calcium oxide.
2..
Optic glass : Optic glasses are the kind of glass used for the purpose in making of the optical lenses. Optic glass is generally softer than the other glasses. These glasses are more clear and transparent than other glasses. It is generally made up of Potassium and Lead silicates. This glass has less impurities as compared to other glasses and not allowed to contain the air bubbles or scratches. These glasses are generally more expensive than the other glasses.
3...
The plastic can be molded into several shapes and sizes.It can be used for covering of the materials and for packaging of the products.It is used for the preparation of sitting arrangement like table and chair.It is used for making containers to keep things like grocery items, medicines and stationary items.