The failure by Tenant to observe or perform according to the provisions of Articles 5, 14, 17 or 18 of this Lease where such failure continues for more than four (4) business days after notice from Landlord;

Care of Premises by Tenant. Tenant shall take good care of the Premises and shall operate in the Premises in a safe, careful and proper manner; shall not commit or suffer waste in or about the Premises, nor to any facility or equipment for which Tenant is responsible pursuant to [Section 11.2] of this Lease; shall not cause damage or permit any trucks or vehicles visiting the Premises to cause any damage to the Premises or any other portion of the Building (and, if any such damage should occur, shall immediately repair same or, if Landlord so elects, reimburse Landlord for Landlord's cost in repairing same); and shall keep the Premises free of insects, rodents, vermin and other pests. Tenant shall keep the Premises secure, Tenant hereby acknowledging that security is Tenant's responsibility and that Tenant is not relying on any representation or warranty by Landlord in this regard. Tenant shall not overload the floors in the Premises, nor deface or injure the Premises. Tenant shall keep the Premises and all loading areas adjacent to the Premises neat, clean and free from dirt and rubbish at all times. Tenant shall store all trash and garbage within the Premises, or in a trash dumpster or similar container approved by Landlord in Landlord's reasonable discretion; and if Landlord is not arranging for trash pick-up as part of the services for which Tenant pays pursuant to [Section 7.4] above, then Tenant shall arrange for the regular pick-up of such trash and garbage at Tenant's expense. Receiving and delivery of goods and merchandise and removal of garbage and trash shall be made only in the manner and areas prescribed by Landlord. Outside storage, including, without limitation, storage of containers, trailers, trucks and other vehicles, is prohibited without Landlord's prior written consent which may be withheld in Landlord's reasonable discretion.

Abandonment of the Premises by Tenant. Abandonment is herein defined to include, but is not limited to, any absence by Tenant from the Premises for ten (10) business days or longer while in default of any provision of this Lease.

Abandonment or vacation of all or a substantial portion of the Premises by Tenant while Tenant is in default under the Lease; or

The failure by Tenant to observe or perform according to the provisions of Articles 5, 14, 17 or 18 of this Lease where such failure continues for more than four (4) business days after notice from Landlord;

Abandonment or vacation of all or a substantial portion of the Premises by Tenant; or

Abandonment or vacation of all or a substantial portion of the Premises by Tenant; or

Abandonment or vacation of all or a substantial portion of the Premises by Tenant while Tenant is in default under the Lease; or

The failure by Tenant to observe or perform according to the provisions of Articles 5, 14, 17 or 18 of this Lease where such failure continues for more than three (3) business days after written notice from Landlord;

Any breach by Tenant of [Section 17 or 18]8] where such breach continues for more than two (2) business days after notice from Landlord; or