POWER SWITCH TRANSISTOR-The part responsible for switching off the primary circuit that causes high voltage induction in the secondary winding in an electronic ignition system. PRIMARY SPEED SENSOR-An engine speed sensor located inside the actuator housing on the back of the injection pump.
Costs for green roofs in the United States are estimated to average between $15 to $20 per square foot for all use types, i.e., high density residential, commercial, industrial etc.1 These costs include all aspects of green roof development, from the waterproofing membrane to soil substrate creation to planting.
A metal roof is lightweight, durable, fire-resistant and does not rot. A professionally installed steel roof can be $5,100-$22,000 for steel roofing on a simple one-story ranch-style house; aluminum runs $11,900-$24,200 for the same roof; and copper jumps to $25,500-$39,600.