_____________________ contains calcium sulphide with varnish.
_____________________ contains calcium sulphide with varnish. Correct Answer Luminous paint
The surface on which Luminous paint is applied shines like radium dials of watches after the source of light has been cut off. The paint should be applied on the surfaces which are free from corrosion or any other lead paint.
মোঃ আরিফুল ইসলাম
Feb 20, 2025