9-10
Steel contains a smaller proportion of
• copper
• brass
• bronze
• carbon
Chromium may be included to
• increase corrosion and tungsten
• resist corrosion and tungsten
• characterize corrosion and tungsten
• maximize corrosion and tungsten
. . . . . . . . . . . . . . may be included to resist corrosion and tungsten of steel.
• Chromium
• Bronze
• Copper
• Brass
non-ferrous metals are
• steel, cast iron, aluminium and copper
• iron, steel, bronze, and brass
• iron, steel, cast iron and carbon
• aluminium, copper, bronze, and brass
non-metals are
• plastics and ceramics
• iron and cast iron
• steel and cast iron
• aluminium and carbon
. . . . . . . . . . may be machined like metals.
• Fabrics
• wood
• Plastics
• Thermosets
Plastics are classified into two types
• thermometric and thermosets
• thermoplastics and thermosets
• thermostatic and thermosets
• thermometric and thermostats
. . . . . . . . . . can be shaped and reshaped.
• Thermometric
• Thermosets
• Thermoplastics
• Thermostats
Thermoplastics can be shaped and reshaped by
• pressure and viscosity
• heat and pressure
• expansion and viscosity
• heat and viscosity
3355
• launch life raft
• rescue boat
• life raft
• lifeboat
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