we should not speak loudly with our elders at home.we should help out mother to work.this i for home.

we should maintain silence.we should not cause any harm to the library books.this is for school library.

we should give our seats to aged people.we should not push anyone in the bus.this is for local bus.

we should not shout in the cinema hall as it may distract other people.this is for cinema hall.

we should not throw anything in the area around the swimming pool.wind may take these thrown things into the water of the pool.this is for swimming pool.