#$%^&*AU2019200863A120190822.pdf#####ABSTRACT An external pest control system for gaps in or on rooves and other structures, the system including at least one electrical energising device, a number of brackets extending over the gap to be controlled and at least one elongate, current carrying member extending between the brackets and powered by the at least one electrical energising device to define a charged perimeter over the gap to be controlled.8/12 Cl / >；~ C V.. ~ & 0 Cl Cl F / j /
