Serum-separating tube Serum-separating tube Serum-separating tubes, also known as serum separator tubes or SSTs, are used in medical clinical chemistry tests requiring blood serum. SSTs are sometimes called "marble-top tubes," "tiger-tops," or "gold-topped tubes", referring to the stoppers which are either gold, red with a gold ring on top, or marbled red and grey. Marble-top tubes are also referred to as "tiger-tops" in some clinics. SPS tubes have a paler colour, sometimes leading confusion; these are known as "yellow tops" not "gold". Trademarked versions include Covidien "Corvac" tubes. They contain a special gel that separates blood cells from serum, as well as
Blood, Sweat & 3 Years with forced momentum", mimicking the works of Afrojack and Swedish House Mafia which made it lack "any real aspects of individualism". All tracks produced by Cash Cash, except "Millionaire" produced by Cash Cash and Digital Farm Animals. Blood, Sweat & 3 Years Blood, Sweat & 3 Years is the fourth studio album by American electronic music group Cash Cash, released on June 24, 2016 by Big Beat Records and Atlantic Records. It is their first full-length album since signing to Big Beat, following the release of the "Overtime" and "Lightning" EPs. "Blood, Sweat & 3 Years" includes collaborations with singers