This form is a commercial lease for the rental of certain property described in the lease. The lessee acknowledges that the premises are in good order and repair, unless otherwise indicated in the lease. The lessee shall, at his own expense and at all times, maintain the premises in good and safe condition, including plate glass, electrical wiring, plumbing and heating installations and any other system or equipment upon the premises and shall surrender the same, at termination, in as good condition as received, normal wear and tear excepted.