Completion
Complete each sentence or
statement.
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1.
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The
first step in processing lumber is ___.
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2.
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The
lumber shown in fig. 1-1 has been ___ -sawed.
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3.
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Lumber that contains a lot of moisture is called ___ lumber.
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4.
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Lumber that has been put through a planer is known as surfaced, or ____,
lumber.
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5.
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Computer-numerical ____ involves the use of computers and a numerical code to control
manufacturing machines.
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6.
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Computer-aided _____ systems are systems in which a CAD drawing can be sent directly
to a computerized machine that makes the product.
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7.
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The
lumber shown in Fig. 1-2 has been _____-sawed.
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8.
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Computer-controlled _____ are often used for cutting, drilling, and etching
lumber.
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9.
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_____
are often used for finishing operations and other processes that are too dangerous or tedious for
humans.
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10.
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The
process of developing solutions to problems is known as the ____________ process.
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Matching
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a. | narrow strips of
wood shaped to a uniform curved profile throughout its length | b. | method of
harvesting trees in which all trees are removed, regardless of size or type of
tree | c. | wood that has
been processed into sheets | d. | wood from deciduous trees such as oak and
maples | e. | made from sawdust or small wood pieces and
plastics | f. | method of harvesting only trees of a certain size and type,
leaving all the others behind | g. | made by gluing thin layers of wood
together. | h. | wood from coniferous trees such as pine or
cedar. | | |
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11.
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panel
stock
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12.
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engineered wood
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13.
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plywood
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14.
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clear
cutting
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15.
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softwoods
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16.
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moldings
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17.
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selective cutting
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18.
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hardwoods
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a. | discoloration on
the surface of the wood | b. | crook, cup, bow, or wind | c. | dark round or
oval spot where a branch had formed | d. | rotting of the wood | e. | slanting edge on
a board created when the lumber was cut | f. | lengthwise seperation that looks like a large
crack | g. | seperation, usually across the growth rings, tha often appears
at the end of a board | | |
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19.
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wane
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20.
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warp
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21.
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check
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22.
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knot
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23.
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stain
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24.
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decay
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25.
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split
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