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Fire-polishing is a technique used in cleaning test tubes in labs and getting the lip of the test tube slightly annealed ( heat treated ) making a circular ( like cleaning drinking glasses) motion held ( in a secure holding device) in the flame of a Bunsen burner, best done with Pyrex or other heat-resistant tubes. I have seen it done. Mrs. Lamour used to practice this technique in Stevens Academy. it is a cleaning practice.
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Why must glass edges be fire polished?
Those edges can be sharp as knives or razor blades and will be hazardous until they are fire polished. Fire polishing melts the edge enough so that it forms a smooth and rounded surface.
Explain why cut diamonds have billiance and why they have fire?
Because they are polished and have a high refractive index
Can a fire start through the refraction and conversion of light?
it can, for instance selling fire to things through glasses can work with refracted light
Is polished brass the same color as polished crome?
No, polished brass is golden coloured. A deep golden if slightly tarnished, or almost white gold if well polished. While polished chrome is silver coloured, almost mirror-like.
What is the name for polished limestone?
marble
Why must glass edges be fire polished?
Those edges can be sharp as knives or razor blades and will be hazardous until they are fire polished. Fire polishing melts the edge enough so that it forms a smooth and rounded surface.
What does Piggy contribute to the fire?
his glasses
Explain why cut diamonds have billiance and why they have fire?
Because they are polished and have a high refractive index
What is the symbolism of the glasses in Lord of the Flies?
the glasses symbolize hope because with the glasses the boys can start a signal fire,cook,and have heat
In lord of the flies how does jack solve his problem of how can you make fire?
Jack solves the problem of making fire by stealing Piggy's glasses, using them to start a fire and cooking meat. He disregards Piggy's suggestion of using the glasses for rescue signals, instead prioritizing his desire for power and control over the boys.
In Lord of the Flies Whose idea is it to use Piggy's glasses to start fire?
It is Jack's idea to use Piggy's glasses to start the fire. Jack steals the glasses right off of Piggy's face without even asking him first.
How do you make glasses on alchemy?
Sand and fire
What happens when light hits a pair of glasses?
it starts a fire
How do they start the fire on the mountain in The Lord of the Flies?
In "The Lord of the Flies," the boys use Piggy's glasses to focus sunlight and start a fire on the mountain. They realize that the smoke from the fire can act as a signal for rescue.
What did jack and Ralph accidentally do with the fire and glasses?
Jack and Ralph accidentally let the fire go out while using the glasses to start it. Their neglect in keeping the fire going led to a missed opportunity for rescue when a ship passed by the island.
How did the boys make a fire in lord of the flies?
Each and every fire that was made was using Piggy's glasses.
How do they make the fire in lord of flies?
The only way fire is made on the island is by using Piggy's glasses.
