Friday, June 20, 2014
Thursday, June 19, 2014
Flame retardant meterial
Flame retardants are compounds added to manufactured materials, such as plastics and textiles, and surface finishes and coatings that inhibit, suppress, or delay the production of flames to prevent the spread of fire. They may be mixed with the base material (additive flame retardants) or chemically bonded to it (reactive flame retardants. Mineral flame retardants are typically additive while organohalogen and organophosphorus compounds can be either reactive or additive.
Friday, June 6, 2014
Wednesday, May 28, 2014
Friday, May 23, 2014
MOTOR CONTROLS / Electrical Symbols and Line Diagrams
Download :
MOTOR CONTROLS
http://css.wsu.edu/wp-content/uploads/2012/09/Motor-Controllers1.pdf
Electrical Symbols and Line Diagrams
http://abe.ufl.edu/tburks/Presentations/ABE5152/Electrical%20Symbols%20and%20Line%20Diagrams.pdf
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