ꯏꯁꯤꯡ ꯁꯦꯡꯗꯣꯀꯄꯗꯥ ꯄ꯭ꯔꯣꯄꯤꯑꯣꯅꯤꯛ ꯑꯦꯁꯤꯗꯅꯥ ꯀꯔꯤ ꯊꯧꯗꯥꯡ ꯂꯧꯔꯤꯕꯒꯦ?
ꯏꯁꯤꯡ ꯁꯦꯡꯗꯣꯀꯄꯒꯤ ꯂꯃꯗꯥ, [...] ꯄ꯭ꯔꯣꯄꯤꯑꯣꯅꯤꯛ ꯑꯦꯁꯤꯗ꯫ ꯃꯥꯏꯛꯔꯣꯕꯤꯌꯥꯜ ꯅ꯭ꯌꯨꯠꯔꯤꯑꯦꯟꯇ ꯁꯣꯔꯁ ꯑꯃꯥ ꯑꯣꯏꯅꯥ ꯁꯤꯖꯤꯟꯅꯕꯥ ꯌꯥꯏ꯫ ꯐꯠꯇ-ꯍꯧꯗꯤ ꯁꯦꯡꯗꯣꯀꯄꯒꯤ ꯊꯧꯑꯣꯡ ꯈꯔꯗꯥ, ꯃꯥꯏꯛꯔꯣꯑꯣꯔꯒꯥꯅꯤꯖꯃꯁꯤꯡꯒꯤ ꯒ꯭ꯔꯣꯊ ꯑꯃꯁꯨꯡ ꯃꯦꯇꯥꯕꯣꯂꯤꯛ ꯃꯊꯧ ꯇꯥꯕꯁꯤꯡ ꯑꯗꯨ ꯐꯪꯍꯟꯅꯕꯥ ꯃꯇꯤꯛ ꯆꯥꯕꯥ ꯀꯥꯔꯕꯣꯟ ꯁꯣꯔꯁ ꯑꯃꯥ ꯍꯥꯄꯆꯤꯅꯕꯥ ꯃꯊꯧ ꯇꯥꯏ꯫ ꯄ꯭ꯔꯣꯄꯤꯑꯣꯅꯤꯛ ꯑꯦꯁꯤꯗꯅꯥ ꯑꯐꯕꯥ ꯀꯥꯔꯕꯣꯟ ꯁꯣꯔꯁ ꯑꯃꯥ ꯑꯣꯏꯅꯥ ꯊꯕꯛ ꯇꯧꯏ, ꯃꯁꯤꯅꯥ ꯃꯥꯏꯛꯔꯣꯑꯣꯔꯒꯥꯅꯤꯖꯃꯁꯤꯡꯅꯥ ꯄꯣꯂꯨꯁꯟ ꯊꯣꯀꯍꯅꯕꯥ ꯑꯃꯁꯨꯡ ꯇ꯭ꯔꯥꯟꯁꯐꯣꯔꯝ ꯇꯧꯕꯥ ꯍꯦꯅꯒꯠꯍꯜꯂꯤ ꯑꯃꯁꯨꯡ ꯐꯠꯇ-ꯍꯧꯗꯤ ꯁꯦꯡꯗꯣꯀꯄꯒꯤ ꯏꯐꯤꯁꯤꯑꯦꯟꯁꯤ ꯐꯒꯠꯍꯜꯂꯤ꯫ ꯈꯨꯗꯝ ꯑꯣꯏꯅꯥ, ꯑꯦꯛꯇꯤꯚꯦꯠ ꯇꯧꯔꯕꯥ ꯁ꯭ꯂꯗ ꯄ꯭ꯔꯣꯁꯦꯁꯇꯥ, ꯑꯃꯣꯠꯄꯥ ꯏꯁꯤꯡꯗꯥ ꯄ꯭ꯔꯣꯄꯤꯑꯣꯅꯤꯛ ꯑꯦꯁꯤꯗꯀꯤ ꯃꯇꯤꯛ ꯆꯥꯕꯥ ꯆꯥꯡ ꯑꯃꯥ ꯍꯥꯄꯆꯤꯅꯕꯅꯥ ꯃꯥꯏꯛꯔꯣꯕꯤꯌꯥꯂꯒꯤ ꯑꯦꯛꯇꯤꯚꯤꯇꯤ ꯍꯦꯅꯒꯠꯍꯅꯕꯥ ꯉꯝꯃꯤ, ꯃꯗꯨꯅꯥ ꯑꯣꯔꯒꯥꯅꯤꯛ ꯃꯦꯇꯔꯤꯑꯦꯂꯁꯤꯡ ꯍꯦꯟꯅꯥ ꯃꯄꯨꯡꯐꯥꯅꯥ ꯁꯣꯀꯍꯅꯕꯥ ꯉꯝꯃꯤ ꯑꯃꯁꯨꯡ ꯀꯦꯃꯤꯀꯦꯜ ꯑꯣꯛꯁꯤꯖꯦꯟ ꯗꯤꯃꯥꯟꯗ (COD) ꯑꯃꯁꯨꯡ ꯕꯥꯏꯑꯣꯀꯦꯃꯤꯀꯦꯜ ꯑꯣꯛꯁꯤꯖꯦꯟ ꯗꯤꯃꯥꯟꯗ (BOD)ꯒꯨꯝꯕꯥ ꯏꯟꯗꯤꯀꯦꯇꯔꯁꯤꯡ ꯍꯟꯊꯍꯅꯕꯥ ꯉꯝꯃꯤ, ꯃꯗꯨꯅꯥ ꯑꯃꯣꯠꯄꯥ ꯏꯁꯤꯡ ꯑꯗꯨ ꯁꯨꯡꯗꯣꯀꯄꯥ ꯉꯝꯃꯤ꯫