How? What exactly is happening here? David Yoder: Flame weeding is a process where we're using propane to kill weeds. Narrator: This is David Yoder. He works for Bigyield.us, an agricultural ...
 Moreoever, in order to remain compliant with more stringent state laws, such as those in California, the Thermonator can be fitted with a smaller nozzle to reduce its flame range. While ...