“Any job that you go into in the transportation industry, there’s an uncertainty all the time just because of the dangers that are always there,” said one cleaner. “Corona’s just one more thing.”SEPTA workers tasked with cleaning the transit agency’s vehicles must take extra precautions with the gobs of spit often found on subway car floors since the coronavirus pandemic struck.Sweeping over them could smear and potentially disperse viral particles, said Shawn Robertson, 59, a SEPTA cleaner. She used to use a simple household cleaner on spit and sticky spots on train cars. Now she sprays...…“Any job that you go into in the transportation industry, there’s an uncertainty all the time just because of the dangers that are always there,” said one cleaner. “Corona’s just one more thing.”SEPTA workers tasked with cleaning the transit agency’s vehicles must take extra precautions with the gobs of spit often found on subway car floors since the coronavirus pandemic struck.Sweeping over them could smear and potentially disperse viral particles, said Shawn Robertson, 59, a SEPTA cleaner. She used to use a simple household cleaner on spit and sticky spots on train cars. Now she sprays...WW…