010319 CLPL Metal Etching (MA)

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Delaney Snyder of Crystal Lake, 12, connects alligator clips to a 9 volt battery to use during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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Teen librarian Cyndi Hamann, right, helps Delaney Snyder of Crystal Lake, 12, create a design on a metal drinking container during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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Liza Inion of Crystal Lake, 13, watches as her wet cotton swab burns a design into her metal drinking container during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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Caitlin Lindstrand of Crystal Lake, 12, smiles while talking to friend Liza Inion while creating a design on her drinking container during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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Delaney Snyder of Crystal Lake, 12, concentrates on creating a design on her drinking container during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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A 9 volt batter is connected at one end to a metal drinking container, with the other end connected to a wet cotton swab soaked in a salt water solution during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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A 9 volt batter is connected at one end to a metal drinking container, with the other end connected to a wet cotton swab soaked in a salt water solution during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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A smiling face is created on Caitlin Lindstrand's drinking container during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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Shyler Yost of Crystal Lake, 12, uses a wet cotton swab to create a dot pattern on her drinking container during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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Caitlin Lindstrand of Crystal Lake, 12, smiles as she talks with friend Liza Inion while creating a design on her metal drinking container during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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Caitlin Lindstrand of Crystal Lake, 12, smiles as she creates a design on her metal drinking container during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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Liza Inion of Crystal Lake, 13, reacts as she creates a design on her drinking container during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.

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Shyler Yost of Crystal Lake, 12, concentrates on creating a dot pattern on her metal drinking container during a Do-It-Yourself Metal Etching program at the Crystal Lake Public Library on Thursday, Jan. 3, 2018 in Crystal Lake.