ꯆꯥꯏꯅꯥꯗꯒꯤ ꯂꯥꯀꯄꯥ ꯑꯋꯥꯡꯕꯥ ꯇꯦꯝꯄꯦꯔꯦꯆꯔꯒꯤ ꯀ꯭ꯕꯥꯔꯇꯁ ꯕꯣꯠꯁꯤꯡ | ꯁꯦꯃꯤꯀꯟꯗꯨꯛꯇꯔ ꯄ꯭ꯔꯣꯁꯦꯁꯁꯤꯡꯒꯤꯗꯃꯛ ꯊꯥꯖꯕꯥ ꯌꯥꯕꯥ ꯁꯞꯂꯥꯏꯌꯔꯁꯤꯡ & ꯐꯦꯛꯇꯔꯤ꯫

ꯄ꯭ꯔꯤꯃꯤꯌꯥꯝ ꯐ꯭ꯌꯨꯖ ꯇꯧꯔꯕꯥ ꯁꯤꯂꯤꯀꯥ (≥꯹꯹.꯹꯹%ꯒꯤ ꯆꯥꯡ ꯂꯩꯕꯥ SiO2)ꯗꯒꯤ ꯑꯈꯉ-ꯑꯍꯩꯁꯤꯡꯅꯥ ꯁꯥꯕꯥ ꯑꯩꯈꯣꯌꯒꯤ ꯍꯥꯏ-ꯄ꯭ꯌꯨꯔꯤꯇꯤ ꯀ꯭ꯕꯥꯔꯇꯁ ꯕꯣꯠꯁꯤꯡ ꯍꯧꯗꯣꯀꯄꯥ꯫ ꯍꯥꯌꯔꯤꯕꯥ ꯇꯦꯛꯇ ꯀꯥꯌꯗꯕꯥ ꯀ꯭ꯕꯥꯔꯇꯁ ꯕꯣꯠꯁꯤꯡ ꯑꯁꯤ ꯑꯀꯅꯕꯥ ꯇꯦꯝꯄꯦꯔꯦꯆꯔ ꯊꯦꯡꯅꯅꯕꯥ ꯏꯟꯖꯤꯅꯤꯌꯔ ꯇꯧꯕꯅꯤ, ꯁꯤꯡꯊꯥꯅꯤꯡꯉꯥꯏ ꯑꯣꯏꯕꯥ ꯀꯦꯃꯤꯀꯦꯜ ꯁ꯭ꯇꯦꯕꯤꯂꯤꯇꯤ ꯄꯤꯔꯤ, ꯃꯁꯤꯅꯥ ꯁꯦꯃꯤꯀꯟꯗꯨꯛꯇꯔ ꯑꯃꯁꯨꯡ ꯐꯣꯇꯣꯚꯣꯜꯇꯦꯛ ꯏꯟꯗꯁ꯭ꯠꯔꯤꯁꯤꯡꯗꯥ ꯑꯋꯥꯡꯕꯥ ꯇꯦꯝꯄꯦꯔꯦꯆꯔꯒꯤ ꯑꯦꯞꯂꯤꯀꯦꯁꯅꯁꯤꯡꯒꯤꯗꯃꯛꯇꯥ ꯌꯥꯝꯅꯥ ꯐꯕꯥ ꯑꯣꯏꯍꯜꯂꯤ, ꯑꯩꯈꯣꯌꯒꯤ ꯀ꯭ꯕꯥꯔꯇꯁ ꯕꯣꯠꯁꯤꯡ ꯑꯁꯤꯅꯥ ꯁꯤꯂꯤꯀꯣꯟ ꯋꯦꯐꯔꯁꯤꯡ ꯑꯁꯤ ꯂꯦꯞꯄꯥ ꯂꯩꯇꯕꯥ ꯊꯧꯔꯥꯡ ꯑꯃꯗꯥ ꯁꯣꯏꯗꯅꯥ ꯊꯝꯅꯕꯥ ꯃꯁꯤꯡ ꯌꯥꯝꯂꯕꯥ ꯁ꯭ꯂꯣꯠꯁꯤꯡ ꯌꯥꯑꯣꯔꯤ, ꯃꯁꯤꯅꯥ ꯊꯥꯖꯕꯥ ꯌꯥꯕꯥ ꯑꯃꯁꯨꯡ ꯏꯐꯤꯁꯤꯌꯦꯟꯇ ꯑꯣꯏꯕꯥ ꯋꯦꯐꯔ ꯄ꯭ꯔꯣꯁꯦꯁꯤꯡ ꯑꯦꯛꯁꯄꯔꯤꯌꯦꯟꯁ ꯑꯃꯥ ꯁꯣꯏꯗꯅꯥ ꯐꯪꯍꯜꯂꯤ꯫ ꯆꯥꯏꯅꯥꯗꯥ ꯃꯥꯡꯖꯤꯜ ꯊꯥꯔꯤꯕꯥ ꯃꯦꯟꯌꯨꯐꯦꯀꯆꯔꯔ ꯑꯃꯁꯨꯡ ꯁꯞꯂꯥꯏꯌꯔ ꯑꯃꯥ ꯑꯣꯏꯅꯥ, ꯑꯩꯈꯣꯌꯅꯥ ꯈ꯭ꯕꯥꯏꯗꯒꯤ ꯋꯥꯡꯕꯥ ꯏꯟꯗꯁ꯭ꯠꯔꯤꯒꯤ ꯁ꯭ꯇꯦꯟꯗꯔꯗꯁꯤꯡ ꯉꯥꯛꯅꯥ ꯆꯠꯂꯤꯕꯥ, ꯗꯤꯐ꯭ꯌꯨꯁꯟ ꯑꯃꯁꯨꯡ ꯑꯦꯅꯤꯂꯤꯡ ꯄ꯭ꯔꯣꯁꯦꯁꯁꯤꯡꯒꯤꯗꯃꯛꯇꯥ ꯑꯈꯟꯅꯅꯥ ꯗꯤꯖꯥꯏꯟ ꯇꯧꯕꯥ ꯃꯒꯨꯟ ꯂꯩꯕꯥ ꯄꯣꯠꯊꯣꯀꯁꯤꯡ ꯄꯤꯔꯤꯕꯥ ꯑꯩꯈꯣꯌꯒꯤ ꯑꯅꯧꯕꯥ ꯃꯇꯃꯒꯤ ꯐꯦꯛꯇꯔꯤ ꯑꯁꯤꯒꯤꯗꯃꯛ ꯆꯥꯎꯊꯣꯀꯆꯩ, ꯑꯗꯣꯃꯒꯤ ꯑꯋꯥꯡꯕꯥ ꯇꯦꯝꯄꯦꯔꯦꯆꯔꯒꯤ ꯑꯣꯄꯔꯦꯁꯅꯁꯤꯡꯗꯥ ꯃꯁꯛ ꯊꯣꯀꯄꯥ ꯄꯔꯐꯣꯃꯦꯟꯁ ꯑꯃꯁꯨꯡ ꯊꯥꯖꯕꯥ ꯌꯥꯕꯒꯤꯗꯃꯛ ꯑꯩꯈꯣꯌꯒꯤ ꯀ꯭ꯕꯥꯔꯇꯁ ꯕꯣꯠꯁꯤꯡ ꯈꯅꯕꯤꯌꯨ꯫