Recess (break)

src: thumbs.dreamstime.com Recess is a general term for a period in which a group of people are temporarily dismissed from their duties. ...

Elementary school (United States)

src: upload.wikimedia.org An elementary school is the main point of delivery of primary education in the United States, for children betwee...

Shhhhh! Everybody's Sleeping

src: i.ytimg.com Shhhhh! Everybody's Sleeping is a 2004 children's book written by Julie Markes and illustrated by David Parkins. I...

Water heating

src: cwschultzandson.com Water heating is a heat transfer process that uses an energy source to heat water above its initial temperature. T...

Mass flow sensor

src: www.epluse.com A mass (air) flow sensor (MAF) is used to find out the mass flow rate of air entering a fuel-injected internal combusti...