"The tenant must repair the premises"
[The tenant shall] when where and so often as occasion requires well and sufficiently ... repair renew rebuild uphold support sustain maintain pave purge scour cleanse glaze empty amend and keep the premises and every part thereof ... and all floors walls columns roofs canopies lifts and escalators ... shafts stairways fences pavements forecourts drains sewers ducts flues conduits wires cables gutters soil and other pipes tanks cisterns pumps and other water and sanitary apparatus thereon with all needful and necessary amendments whatsoever...