European Union energy label

src: us.123rf.com EU Directive 92/75/EC established an energy consumption labelling scheme. The directive was implemented by several other d...

Offset printing

src: i.ytimg.com Offset printing is a commonly used printing technique in which the inked image is transferred (or "offset") from...

Paper size

src: ds055uzetaobb.cloudfront.net Many paper size standards conventions have existed at different times and in different countries. Today, ...

Episiotomy

src: sciencesource.com Episiotomy , also known as perineotomy , is a surgical incision of the perineum and the posterior vaginal wall genera...