If the instructions had been followed exactly, they would have worked effectively. Please let me know if you'd like a replacement pack or further assistance by replying to my private message. I'm here to help At the moment the plates appear to be firmly fixed, although it is only 4/5 https://www.saludcapital.gov.co/sitios/VigilanciaSaludPublica/Lists/Contactenos/DispForm.aspx?ID=756292