of the janitor's staff, or by any other person or person whomsoever. The janitor of the Building may at all times keep a pass key, and other agents of Landlord shall at all times be allowed admittance to the Premises.
5.Water closets and other water fixtures shall not be used for any purpose other than that for which the same are intended; and any damage resulting to the same from misuse on the part of Tenant or Tenant's agents or employees shall be paid for by Tenant. No person shall waste water by tying back or wedging the faucets or in any other manner.
6.Except for seeing eye dogs for the blind and hearing ear dogs for the deaf, no animals shall be allowed in the offices, halls, corridors and elevators of the Building. No persons shall disturb the occupants of this or adjoining buildings or premises by the use of any radio, sound equipment or musical instrument or by the making of loud or improper noises.
7.Except for wheelchairs, no vehicles, including bicycles, shall be permitted in the offices, hall, corridors, and elevators in the Building, nor shall any vehicles be permitted to obstruct the sidewalks or entrances of the Building.
8.Tenant shall not allow anything to be placed on the outside of the Building, nor shall anything be thrown by Tenant or Tenant's agents, employees, contractors, or invitees out of the windows or doors, or down the corridors, elevator shafts, or ventilating ducts or shafts of the Building. Tenant, except in case of fire or other emergency, shall not open any outside window.
9.No additional lock or locks shall be placed by Tenant on any door in the Building unless written consent of Landlord shall first have been obtained. A reasonable number of keys to the Premises and the toilet rooms, if locked by Landlord, will be furnished by Landlord; and neither Tenant nor Tenant's agents or employees shall have any duplicate keys made. At the termination of this tenancy, Tenant shall promptly return to Landlord all keys to offices, toilet rooms or vaults.
10.No window shades, blinds, screens, draperies or other window coverings will be attached or detached by Tenant without Landlord's prior written consent. Tenant agrees to abide by Landlord's rules with respect to maintaining uniform curtains, draperies and linings at all windows and hallways.
11.No awnings shall be placed over any window.
12.If any Tenant desires telegraphic, telephonic or other electric connections, Landlord or Landlord's agents will direct the electricians as to where and how the wire may be introduced; and without such directions, no boring or cutting for wires will be permitted. Any such installation and connection shall be made at Tenant's expense.
13.Tenant shall not install or operate any steam or gas engine or boiler in the Premises. The use of oil, gas or inflammable liquids for eating, lighting or any other purpose is expressly prohibited. Explosives or other articles deemed hazardous shall not be brought into the Building Complex.
14.Any painting or decorating as may be agreed to be done by and at the expense of Landlord shall be done during regular weekday working hours. Should Tenant desire such work on Saturdays, Sundays, holidays or outside of regular working hours, Tenant shall pay for the extra cost thereof.
15.Except as permitted by Landlord, excluding hanging of pictures or decorations, Tenant shall not mark upon, paint signs upon, cut, drill