ⵡⵉⴽⵉⴱⵉⴷⵢⴰ:ⵜⴰⵙⵏⴰ ⵏ ⵓⵙⵏⵓⴱⴳ/ⴰⵎⵏⵏⵉ ⴰⴼⴰⵍⴽⴰⵢ/8
ⴰⵍⵓⵎⵉⵏⵢⵓⵎ (ⵙ ⵜⵏⴳⵍⵉⵣⵜ: Aluminum) ⵉⴳⴰ ⵢⴰⵏ ⵓⴼⵔⴷⵉⵙ ⴰⴽⵔⵓⵔⴰⵏ, ⵉⵏⵉⴳⵍ ⵏⵏⵙ Al ⴷ ⵡⵓⵟⵟⵓⵏ ⵏⵏⵙ ⴰⴱⵍⴽⴰⵎ 13. ⵉⴳⴰ ⵢⴰⵏ ⵡⴰⵕⵥⴰⵏ ⵉⴼⵙⵙⵓⵙⵏ ⴳ ⵜⴰⵥⴰⵢⵜ, ⴰⵎⵍⵍⴰⵍ ⴰⵥⵕⴼⴰⵏ, ⴰⵔⴰⵎⴰⴳⵏⵉⵜ, ⵉⴳ ⴰⵍⵡⴰⵡⴰⴹ. ⵉⴳⴰ ⵓⵍⵓⵎⵉⵏⵢⵓⵎ ⵡⵉⵙ ⴽⵕⴰⴹ ⵏ ⵉⴼⵔⴷⵉⵙⵏ ⵉⴳⴳⵓⵜⵏ ⴳ ⵜⴼⵔⴽⵉⵜ ⵏ ⵡⴰⴽⴰⵍ, ⴹⴰⵕⴰⵜ ⵏ ⵓⴽⵙⵓⵊⵉⵏ ⴷ ⵓⵙⵉⵍⵉⴽⵓⵏ, ⵉⴳ ⴰⴼⵔⴷⵉⵙ ⴰⵡⵕⵥⴰⵏ ⵉⴳⴳⵓⵜⵏ ⴳⵉⵙ ⵉⴳⴳⵓⵜⵏ. ⵉⵜⵜⵓⵙⵙⴰⵏ ⵙ ⵜⵏⵥⵥⵉ ⵏⵏⵙ ⵉⵣⴷⵔⵏ ⴷ ⵜⵏⵣⴱⴰⵢⵜ ⵏⵏⵙ ⵉⴷⵓⵙⵏ ⵎⴳⴰⵍ ⵉⵎⵛⵛⵉ ⵙ ⵓⵙⵔⴰⴳ ⵏ ⵓⵙⵉⵍⵖ ⵏ ⵢⴰⵜ ⵜⴰⵔⴰⵢⵜ ⵜⴰⵎⴰⴳⴰⵥⵜ ⵏ ⵓⴽⵙⵉⴷ ⵏ ⵓⵍⵓⵎⵉⵏⵢⵓⵎ ⵏⵏⴰ ⵓⵔ ⵉⵜⵜⴰⵊⵊⴰⵏ ⵜⴰⵏⵉⴽⵜ ⴰⴷ ⵜ ⵜⴰⵎⵥ. ⴰⴼⴰⵔⵙ ⵏⵏⵙ ⵉⴳⴳⵓⵜ ⴳ ⵓⵎⴰⴹⴰⵍ, ⴷⴰ ⵉⵜⵜⵓⵙⴽⴰⵔ ⵙⴳ ⵓⵎⵙⴰⵔⵉ ⵏ ⵓⴱⵓⴽⵙⵉⵜ. ⴷ ⵉⴳⴰ ⵓⵍⵓⵎⵉⵏⵢⵓⵎ ⵢⴰⵏ ⵡⴰⵕⵥⴰⵏ ⵉⵍⵡⵉⵡⴹⵏ, ⴰⵔⴰⵎⴰⴳⵏⵉⵜ, ⵜⴳ ⵜⵏⴼⵍⴰⵍⵉⵜ ⵏⵏⵙ ⵜⴰⵎⵍⵍⴰⵥⵕⴼⵜ. ⵖⵓⵔⵙ ⵜⴰⵣⵎⵔⵜ ⵢⴰⵜⵜⵓⵢⵏ ⵏ ⵓⵙⵙⴰⵖⵓⵍ ⵏ ⵜⵉⴼⴰⵡⵜ, ⴰⵢⵍⵍⵉ ⵜ ⵉⵜⵜⴰⵊⵊⴰⵏ ⴰⴷ ⵉⴳ ⴰⵎⵙⵙⴰⵖⵓⵍ ⴰⵎⵓⴼⴰⵢ ⵏ ⵜⵉⴼⴰⵡⵜ ⴷ ⵜⵔⵖⵉ. ⵉⴳⴰ ⴰⵡⴷ ⴰⵎⵣⵣⵔⴰⵢ ⵉⴼⵓⵍⴽⵉⵏ ⵏ ⵜⵔⵖⵉ ⴷ ⵓⵥⴰⵕⵓⵕ. ⵜⵉⵏⵥⵥⵉ ⵏⵏⵙ ⵜⴳⴰ 2.70 ⴳ/ⵙⵎ³, ⴰⵢⵍⵍⵉ ⵉⴳⴷⴰⵏ ⵄⵍⴰⵢⵏ ⴰⴼⴽⵕⴰⴹ ⵏ ⵜⵏⵥⵥⵉ ⵏ ⵓⵖⴰⵔ. ⵜⵉⵍⵉ ⵜⵣⵎⵔⵜ ⵏⵏⵙ ⵉ ⵓⵣⵣⵓⵖⵔ ⴳⵔ 49 ⵎⴱⴰ ⴰⵔ 700 ⵎⴱⴰ ⴳ ⵓⵏⵛⵜ ⵏ ⵡⴰⵏⴰⵡ ⵏ ⵓⵙⵎⴽⵍ ⵍⵍⵉ ⴳ ⵉⵣⵔⵉ.
ⴷ ⵉⴳⴰ ⵓⵍⵓⵎⵉⵏⵢⵓⵎ ⴰⴼⵔⴷⵉⵙ ⴰⵡⵕⵥⴰⵏ ⵉⴼⵙⵙⵓⵙⵏ, ⵜⴳⴰ ⵜⵏⵥⵥⵉ ⵏⵏⵙ 2.70 ⴳ/ⵙⵎ³. ⴷⴰ ⴰⵙ ⵜⴰⴽⴽⴰ ⵜⴼⵔⵉⵙⵜ ⴰⴷ ⵜⴰⵣⴰⵍⴰⵏⵜ ⵢⴰⵏ ⵡⴰⵣⴰⵍ ⴳ ⵜⵎⴳⵓⵔⵉ ⵏ ⵜⴰⵢⵍⴰⵍⵉⵏ ⴷ ⵜⵀⵉⵔⴰ, ⴰⵛⴽⵓ ⴷⴰ ⵜⵙⵙⵉⴷⵔⵓⵙ ⵜⴰⵥⴰⵢⵜ ⵜⴰⵙⵎⵓⵔⵜ ⵏ ⵜⴼⴰⵙⴰ. ⵉⴳⴰ ⵓⵍⵓⵎⵉⵏⵢⵓⵎ ⴰⵎⵣⵣⵔⴰⵢ ⵉⴼⵓⵍⴽⵉⵏ ⵏ ⵜⵔⵖⵉ ⴷ ⵓⵥⴰⵕⵓⵕ, ⴷⴰ ⵜⵍⴽⴽⵎ ⵜⵣⵎⵔⵜ ⵏⵏⵙ ⵏ ⵓⵣⵣⵔⴰⵢ ⵏ ⵓⵥⴰⵕⵓⵕ ⴰⵜⵜⴰⵢⵏ ⵏ 60% ⵏ ⵜⵉⵏ ⵡⴰⵏⴰⵙ, ⵎⴰⵛⴰ ⵙ ⵜⴰⵥⴰⵢⵜ ⵉⴷⵔⵓⵙⵏ. ⵉⴳⴰ ⵓⵍⵓⵎⵉⵏⵢⵓⵎ ⴰⵔⴰⵎⴰⴳⵏⵉⵜ, ⴰⵢⴰⴷ ⴰ ⵖⴼ ⴷⴰ ⵉⵜⵜⵓⵙⵎⵔⴰⵙ ⴳ ⵡⴰⴷⴷⴰⴷⵏ ⵍⵍⵉ ⴳ ⴷ ⵉⵇⵇⴰⵏ ⴰⴷ ⵓⵔ ⵢⵉⵍⵉ ⵓⵎⵢⴰⴳⴳⴰ ⴷ ⵉⴳⵔⴰⵏ ⵉⵎⴰⴳⵏⵉⵜⵏ.