Under the police power of the State, laws have been enacted governing and controlling the use, occupancy and condition of real property. These laws are enforced through various departments and bureaus. It is appropriate to provide in certain leases that the tenant will, at his own expense, comply with the orders issued by these authorities. The importance of such a provision in a lease depends on the use for which the premises are leased to the tenant and the extent to which control passes to the tenant. As an example, it may be noted that in the case of a factory building leased to One tenant, it should usually be a condition that elevators, stairways and fire-escapes be kept in a safe condition and that the provisions of the labor department, health department, fire department and building department be complied with by the tenant.