Tax bracket

src: media.brstatic.com Tax brackets are the divisions at which tax rates change in a progressive tax system (or an explicitly regressive t...

Geothermal heat pump

src: modernize.com A geothermal heat pump or ground source heat pump (GSHP) is a central heating and/or cooling system that transfers heat...

Frequency changer

src: ecetutorials.com A frequency changer or frequency converter is an electronic or electromechanical device that converts alternating cu...

Nokia 3310

src: cdn.vox-cdn.com The Nokia 3310 is a GSM mobile phone announced on September 1, 2000, and released in the fourth quarter of the year, r...

Reverse mortgage

src: ca.res.keymedia.com A reverse mortgage is a type of home loan for older homeowners that requires no monthly mortgage payments. Borrowe...