Applying Coatings to Road and the Like Surfaces; Furnishing to Customers, Under Lease, Machines for Applying Coatings to Road and the Like Surfaces; Training Said Customers in the Use of Machines So Furnished; Giving Technical Assistance to Said Customers in Connection with Unusual Problems Arising in Applying Such Coatings; and Furnishing Specifications of Materials Used by Said Customers for Applying Coatings with So Furnished Machines