Artificial smoke screens ae made by :

Artificial smoke screens are made by:

Fill in the blanks- Artificial ornaments are made up of __________________ alloy.

What is smoke screen ?

Artificial magnets can be made in different .................. (shapes/colours).

Artificial magnets are made in different shapes such as __________, __________ and ____________.

Fill in the blanks: Artificial magnets are made in different shpaes such as ............... , ............. and ............ .