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Topic: Working with industrial materials 

Construction

 Standard 9.  Understands building materials
  Level IV (Grade 9-12)
   Benchmark 1.Knows the uses of various types of hardwoods, softwoods, and engineered lumber.
   Benchmark 2.Knows the different grades, markings and the actual and nominal sizes of wood building materials (e.g., softwood and hardwood, plywood).
    Knowledge/skill statements
     1.Knows the different grades of wood building materials
     2.Knows the different markings of wood building materials
     3.Knows the actual sizes of wood building materials
     4.Knows the nominal sizes of wood building materials
   Benchmark 3.Understands the effects of temperature, chemicals, and moisture on wood products, and how to properly store wood products in order to avoid these effects
    Knowledge/skill statements
     1.Knows effects of temperature on wood products
     2.Knows effects of chemicals on wood products
     3.Knows effects of moisture on wood products
     4.Knows how to properly store wood products
   Benchmark 4.Identifies defects and blemishes that affect the durability and strength of lumber and perform materials tests (e.g., slump, compression strength)
    Knowledge/skill statements
     1.Identifies defects that affect durability of lumber
     2.Identifies blemishes that affect the durability
     3.Identifies defects that affect the strength of lumber
     4.Identifies blemishes that affect the strength of lumber
     5.Performs materials tests