Anthony Vincent, the genre-bending vocalist behind YouTube series Ten Seconds Songs, re-interpreted System of a Down's prog-metal anthem Chop Suey! 20 different ways in his latest mind-boggling video. Related
Ductless range hoods are one of three different types of range hoods, along with ducted, or vented, range hoods and convertible range hoods. Vented range hoods require access to outside from the area in the kitchen where the stove is located. Convertible range hoods can be used with either ductless or ducted systems. Versions that are ductless are usually the second choice in range hoods.
A fume hood carries away vapors from reagents or reactions you may be working with. Using a fume hood correctly will reduce your personal exposure to potentially harmful fumes or vapors. When using a fume hood, keep the following in mind.  Place equipment or reactions as far back in the hood as is practical.