Install drip-lines or sprinklers to water plants automatically.
Installs button-type lane markers along paved highways and streets, using handtools: Sets signs and cones adjacent to work site to divert flow of traffic. Measures and marks installation locations between survey control points, using tape, string, and chalk. Blends epoxy compounds to form specified mix, using spoon. Applies epoxy to marked locations along roadway, using putty knife, and twists plastic markers to position into epoxy. Sights along button line to verify alignment.