Foam concrete machine is widely used in construction, such as making blocks, proof insulation and cast-in-situ(making walls).
There are some pictures of construction site in Malaysia as below, including feeding raw material ,mixing the sand ,cement ,water, foam agent , then the foam concrete is formed, foam concrete pour into the wall panels by pump ,and waiting for the foam concrete solidification.
YouTube:https://youtu.be/nwNrMo4kUXI