#$%^&*AU2019201647A120191003.pdf#####Abstract A diffuser for a thermal weeder is disclosed. The diffuser is capable of producing a jet of hot air along an axis. The diffuser comprises at least one deflector arranged across the hot air jet axis, so as to deflect hot air radially.1/9 1~~1 FIG. la FIG. lb 1 2 3 5 6 FIG. 2