Plaster itself is not poisonous. Some people are allergic to it but generally you will only have a reaction to it if you consume it. Plaster of Paris may cause breathing difficulties if inhaled. Wall plaster is harmless once it is painted and/or covered, and contact with it before that is fine. Painted wall plaster is safer as it does not release dust.
The prey mantis is not poisonous. They are carnivorous as they survive on eating the other insects.
no
vow dung plastering is plastering means making the cow dung is made hard like a plaster
Online courses on plastering are offered by Mastering Plastering. If you are located in the UK, classes are available through CS Plastering School, Able Skills, and Access Training UK.
His parents died by eating poisonous mushrooms.
It dies.
No lightning bugs are not poisonous to humans.
no
His parents died by eating poisonous mushrooms.
There are many tools used in Plastering, though the primary tool would be the Trowel.
The Hindi word for plastering with cow dung ( as used in India ) is "leep"
Scorpions are filled with poisonous fluids, so I recommend not eating one.