Thereafter and in accordance with such resolution the county may give aid in one or more of the following ways:
(a)
Contribute money.
(b)
Acquire and deliver material.
(c)
Furnish labor or engineering services.
(d)
Loan its road building machinery.
(e)
Pay or contribute money to be used for the payment of interest upon, or for the payment or redemption of, bonds, the proceeds of which have been used for, or which have been issued in payment for, work mentioned in this article.