Angelo made sure to check around him as he finished filling his tanks just before he saw an 8 meter titan come around the corner of the building nearby. 

Angelo quickly got his cables out and he used the gas to get back to the building rooftops. Once he got back on the roof he started to zip back towards the corporal but a 12 Meter tried to snatch him in mind air but Angelo quickly stopped and used the gas in front of him as an air brake before he got the cable on his hand and zipped around the titan slicing is neck deep killing it. 

Once it died Angelo stood behind the corporal waiting for an order