To choose multiple selections, hold down the 'CTRL' key on a PC or the 'COMMAND' or 'APPLE' key on a Macintosh.
Describe nature of the problem, including specific points needing control:
Have you tried other control measures, if so give results
Please select all that apply
Please include: photos, drawings, sketches, flow diagrams. If you need to upload more than six files, please ZIP or compress all of your files into one ZIP file before uploading.