ability to read and understand instructions, drawings, safety guides, and other written materials necessary to perform job; sufficient visual capacity to perform the applicable functions without assistance of visual aids other than eye contacts or eyeglasses; sufficient spoken aural capacity to hear and understand instructions, warning bells, fire alarms, or shouted instructions without assistance of auditory aids other than a hearing aid; and. Provide support to NOIRLab staff members, committee members, guests, and contractors to provide mutually agreeable, cost-effective, compliant travel arrangements, including airfare, hotel bookings, and car rentals.