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* Similarly, tank floor inspection crawlers that can be lowered into the tank via portholes on the tank roof eliminate the hazards of [[confined space]] entry and the time/expense involved in air quality monitoring.
* Tools capable of working while submerged eliminate the hazards, difficulty, and expense of draining the inspection area. When used in storage tank inspections and subsea applications, these tools also eliminate hazards associated with diving.
== Infrastructure inspections ==
[[File:Cable stay robot skyway.jpg|thumb|Infrastructure Preservation Corps untethered robotic crawler]]
Using robotics for infrastructure inspections can save the Department of Transportation millions in lane closures and heavy equipment rentals. By updating the 50year old methods currently in place for infrastructure inspections, the Department of Fransportation will get better results, allowing them to better allocate resources.
Post-tension tendons that hold up large concrete structures worldwide (e.g., bridges) are still mostly inspected manually. Robotic inspection devices can peer through concrete and steel and take the guesswork out of post-tension tendon inspections.
[[File:Post Tension Tendon Inspection Service.jpg|thumb|Post Tension Tendon Service unit to find corrosion in post tension tendons.]]
Lightweight, portable without lane closures or heavy equipment can save money and prevent traffic interruptions and deadly accidents.
Replacing the manual subjective inspection with robotics within the same budget is the key to fixing and maintaining a strong infrastructure. The information provided by robotic inspections will help extend the service life of valuable infrastructure assets, keep the public safe and save billions in untimely replacements.
== Robotic ILI crawler variants ==
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