(a)  Keep all property useful and necessary in its business in good working order and condition, ordinary wear and tear excepted, except to the extent the failure to do so could not reasonably be expected to have a Material Adverse Effect and (b) maintain with reputable insurance companies insurance on all its property in at least such amounts and against such risks (but including in any event public liability) as are usually insured against in the same general area by companies engaged in the same or a similar business.