martedì 16 giugno 2015

INGLESE TECNICO - QUALITY GRADE PROPERTY

quality  =  grade  (degree of excellence )
                  property (distinctive caracter)

strength
hardness                                             qualities
ductility                               are          properties           of metals
electrical conducitivity                       characteristics
resistance  to corrosion


High resistance                                     qualities
dielectric strength                        are    properties              of insulators
heat dissipation capacity                       characteristics
resistance to chemical factors


viscosity
volatility                                         qualities
specific heat                          are   properties                          of insulating oils
Thermal conductivity                    characteristics
density

copper is a high  -                                                              conductive  material
insulating  materials  of a commercial     quality                offer less resistance to wear    
magnetic materials  of a suitable              grade              are essential in the construction of   
                                                                                           electromagnetic devices          

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