This is why they have stickers on mowers that say"please do not put hands underneath while operating."

Irmgard Holm of Arizona had what she called "a nightmare-and-a-half" over the weekend when she mistook Super Glue for eye drops,  She explained, "The bottles look identical. You know, I'm not young anymore but I'm not senile."
Paramedics had to cut off the glue and Holm avoided any major consequences. It turns out this type of mistake isn't so rare, with "Super Glue ocular injuries" dating back to 1982