https://youtu.be/3Q8x2ywxzaI - concrete screeding
https://youtu.be/kXdd5mssc54 -mixing concrete for laying fire brick
https://youtu.be/PnHjtN8fhXI - sizing and cutting down rebar
https://youtu.be/9LviPkyH6kg - laying fire brick for fire box
https://youtu.be/X1MphQ0l2N8 - cleaning up dirt from around holes
https://youtu.be/Pz90B2SVL3o - mixing concrete