VIII. Fill in the correct preposition if necessary and translate the sentences. Of at to with over upon into against onto under on

1. Plywood is a flat panel made ___ sheets of veneer called plies, united ___

pressure by a bonding agent to create a panel.

2. The inner plies are called core and its grain is ___ the right angle to the grain

of the face plies.

3. The structure of plywood panels provides them ___ numerous advantages

___ solid wood.

4. The grade of the panel depends ___ the quality of the veneer used,

particularly of the faces.

5. After the logs are debarked they are crosscut ___ peeler blocks.

6. While rotating ___ high speed, the block is pressed ___ a stationary cutting

knife, veneer is peeled from the block in a continuous, uniformly thin strip,

much like unwinding a roll of paper.

7. The continuous strip of veneer is then clipped ___ various width and defects

are removed.

8. The core sheets are coated evenly ___ adhesive ___ both sides.

9. Veneer is laid up ___ plywood ___ hand or machine, or a combination of

both.

10. After hot pressing, panels are sawn ___ size, and then __ sanding machines

where both surfaces are sanded ___ satin smoothness.

IX. Match the two parts of the sentences.

1. Plywood is always constructed a) for decorative wall panels and for

2. The grain direction of the core is furniture and cabinet panels where

3. The properties of plywood depend on appearance is more important than

4. Construction and industrial plywood strength;

is used b) into various width and defects are

5. Peeler blocks are often heated by removed;

6. The continuous sheet of veneer is c) to cold pre-pressing to flatten the

clipped veneers;

7. Hardwood and decorative plywood is d) with an odd number of layers

normally used with the grain direction of

8. Pieces of veneer that are too wet are run adjacent layers oriented

9. Veneer is laid up into plywood perpendicular to one another;

10. Panels are first subjected e) by hand or by machine, or a

combination of both;

f) steaming or immersion in hot

water before peeling, which

makes them easier to peel;

g) at the right angle to the grain of

the face plies;

h) through the drier again to

reduce the moisture content

to the desired level;

9. the quality of the different layers of veneer, order of layer

placement, adhesive used, and

control of bonding conditions;

j) where strength and stiffness

are more important than

appearance.