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photovoltaic & HelioStat solar panels - EDU.2014.04.15.A

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gas & service station concrete cleaning - edu.2015.09.02.A

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automobile windshield Coating - EDU.2016.11.16.a

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BUS SHELTER SEASONAL CLEANING AND TREATMENT - EDU.2014.02.05.A

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TUNNEL AND ANTI-GRAFFITI PROTECTION - EDU.2015.06.15.A