Specifications include, but are not limited to: a. All equipment provided by the contractor shall be in new or first class condition. b. The contractor must maintain the equipment at high standards of cleanliness. All vending machines must be National Sanitation Foundation (NSF) approved. c. The contractor must maintain the equipment at high standards of quality and dependability with minimal malfunctions or breakdowns. d. Change machines must be able to accept old and new currency of one, five, ten and twenty dollar bills and must dispense quarters or $1 coins. 2.1.2 Snack machines must have a minimum of twenty (20) large slots and twenty (20) small slots unless the designated area for that machine will only accommodate a smaller sized machine. Any snack machine that does not meet the minimum capacity of twenty (20) large slots and twenty (20) small slots must have preapproval by the Business Manager/designee before being installed...