Holdings shall, and shall cause its Subsidiaries to (a) maintain or cause to be maintained in good repair, working order and condition all material properties used or useful at that time in its business and from time to time will make or cause to be made all appropriate repairs, renewals and replacements thereof and (b) maintain insurance with reputable and financially sound insurers in such amounts and against such liabilities and hazards as is customarily maintained by other companies operating similar businesses and together with each delivery of financial statements under Section 6.01(b) , upon the request of the Agent, deliver certificates of insurance to the foregoing effect to the Agent.