History of marketing

src: www.dailyinfographic.com The study of the history of marketing , as a discipline, is meaningful because it helps to define the baseline...

Keep case

src: s3.envato.com A keep case or poly-box is a type of packaging, most commonly used with DVDs (and sometimes CDs). Besides DVD-Video f...

Polystyrene

src: www.polystyrene.co.uk Polystyrene ( PS ) is a synthetic aromatic hydrocarbon polymer made from the monomer styrene. Polystyrene can b...