Air pollution and travel comfort in public transport is a significant problem as it can cause
health problems for passengers. There are no sufficiently developed and researched …

Carbon monoxide (CO) is an inorganic molecule that is tasteless, colorless, and odorless,
making it difficult for humans to detect and a highly toxic gas. It is produced during the …

Perishable food such as fruits have a limited shelf life and can quickly degrade if not
properly stored. One method for detecting decay in these foods is the use of ethylene gas …