Only men need to be careful (Or women who are pregnant because they may be having a boy.)
Eating too many olives, machlokes
Learning Torah for intellectual pursuit
Someone who takes a nap in beit med rash
Someone who leaves a Sefer Torah book open, SA etc, — need to put another Sefer on top of it or close it if you leave the room
Forgetting Netilat yadayim
Washing feet at one time
Hands are wet and use shirt to dry