Recording short interviews

An original notice containing five intentional errors.

Both recording booths is available for short interviews on Thursday. Participant's should arrive ten minutes before their booking and can records up to fifteen minutes of audio. An independant technician will check the microphone before each session. Please wait outside until you recieve permission to enter. Files will be stored securely and sent to the organiser after the session.

Proofread this notice. Identify the five errors and give the correct forms. You do not need to copy out the complete notice.