short Youtube video showing brass melting with a DIY propane furnace

https://www.youtube.com/watch?v=-A0VpTgKoRU


make your own sand

https://www.youtube.com/watch?v=LG1Prie_30w


basic lost foam ( simple plate casting)

https://www.youtube.com/watch?v=mL00B2N2iBY


wax mold making with alginate for Lost wax casting

https://www.youtube.com/watch?v=Rrc1O-a8Pt4