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The process of tempered acid-etching involves several steps. First, the glass is heated to a high temperature to soften it, a process called annealing. Next, the glass is cooled rapidly, a technique called tempering, which strengthens the glass and makes it more resistant to cracking Next, the glass is cooled rapidly, a technique called tempering, which strengthens the glass and makes it more resistant to cracking
Next, the glass is cooled rapidly, a technique called tempering, which strengthens the glass and makes it more resistant to cracking Next, the glass is cooled rapidly, a technique called tempering, which strengthens the glass and makes it more resistant to cracking
tempered acid etched glass. After tempering, the glass is etched using a mixture of acid and water. The acid eats away at the glass, creating the desired design, while the water helps to remove any residue left behind.

