Below are two statements regarding Braille script. Choose the correct answer from the given options. Statement (I): In Braille script, a row of raised dots is made on a thick paper. Statement (II): Because of the raised dots, Braille script can be read by running fingers across them.

Prolonged occupational exposure to excessive noise from heavy machinery without hearing protection causes noise-induced hearing loss. Excess noise is categorized as a:

Long-term exposure to indoor air pollutants, such as smoke from burning biomass fuels, significantly increases the risk of developing chronic respiratory conditions like: