To furnish fire protection to operate, use and maintain fire-fighting apparatus, to provide the services of its volunteer members for fire-fighting or incidental purposes, to aid in civil defense, and to promote, guard and protect the public welfare and safety, to contract with others furnish fire protection, to lend assistance to neighboring towns and communities when requested under contract of mutual aid agreement, to purchase or otherwise acquire, hold, use, lease, sell, exchange, transfer and dispose of property, real and personal, of every kind and description, or any interest therein, for fire-fighting purposes, and the doing of all things necessary or incidental thereto, or other emergencies that shall arise.