Molten aluminium - making something useful

See how I made my Aluminum Furnace - https://youtu.be/Mjlwc4x3GKE
Hi everyone.
You are watching my second approach to aluminum melting, so please be understanding and I am asking your advice on how to do it better :)
Thank you also for ideas such as adding charcoal to aluminum, and cooling aluminum for a long time.
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Some tools I use in my constructions:

Self made:
Belt grinder 2x48 - https://youtu.be/2rB59KaMjaQ
Vise - https://youtu.be/7BANZRdqFvU
Drill press STAND with COOLANT SYSTEM - https://youtu.be/o68uiTp_gWk

and
Welder IDEAL Tecnomig 200GD
LATHE Cormak 330x770
Band saw Stiler BS 712R
Drill press ZX7016
Chop saw Evolution RAGE 3

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Videos that you may like:
https://youtu.be/Mjlwc4x3GKE - Electric Aluminum Foundry DIY
https://youtu.be/V0ahzDSYDxo - MOTORIZED Plasma Cutting Track
https://youtu.be/LTC1qJrGXnM - Simple Power File DIY
https://youtu.be/f-Ebryi5m0g - Chain Saw HACK 7 - Drill Attachment
https://youtu.be/CIU5tcuduCM - KEYWAY on the LATHE
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Social media:
FB: Made in Poland
Insta: made_inpoland
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Music by YouTube library :
Chosen One
Freefall
Interchange
Rage
Sailing
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