Asphalt" Black Sticky rubber that we remove the Mariners made the road which comes from the refining of crude oil in the petroleum industry in order to fire, spear parts. By the remaining sludge will be asphalt from refining crude oil. A sticky, viscous, unlike gasoline. Diesel from refineries as well, but in the past we used to rely on known Thailand people asphalt for the first time. The company's gum named the company Maltoy (latoi: a language, France), is the first company in the country, Thailand produced asphalt used in roads in the country, Thailand. The villagers because they had never seen the asphalt before. Name of sticky black rubber to make this road as "latoi," which has come from the tires, the company that made a name, and then subsequently, the word "latoi" rubber is slightly distorted as "asphalt" we've used this word today.