Form W-4 (otherwise known as the "Employee's Withholding Allowance Certificate") is an Internal Revenue Service (IRS) tax form completed by an employee in the United States to indicate his or her tax situation (exemptions, status, etc.) to the employer.
The Heart Nebula, IC 1805, Sharpless 2-190, lies some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia.
LC Perú is a Peruvian airline based in Lima, Peru.
The Mark 4 nuclear bomb was an American nuclear bomb design produced starting in 1949 and in use until 1953.
Meteorite weathering is the terrestrial alteration of a meteorite.
The W (Western and Paddington) postcode area, also known as the London W postcode area is a group of postcode districts covering part of central and part of west London, England.
WDTW-FM (106.7 MHz) is a commercial FM radio station licensed to Detroit Michigan.
WWWW-FM – "W4 Country" – is a country music radio station based in Ann Arbor, Michigan, broadcasting on 102.9 MHz.
4W or 4-W may refer to:;Units of measurement.