The adhesives used in engineered wood are formaldehyde -based?either phenol formaldehyde-based or urea formaldehyde-based. Which of the two adhesives is used in plywood and which in OSB panels, and why?
What will be an ideal response?
Phenol formaldehyde is used in plywood and OSB panels because of its lower formaldehyde emissions than that of urea formaldehyde adhesive. Excessive formaldehyde emission poses health risk to humans.
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Cylinder bores, core plug holes, and valve guides and stems cannot be oversize.
Answer the following statement true (T) or false (F)
The LEED program standards are developed by:
A) NHAB - National Association of Home Builders. B) EPA - Environmental Protection Agency. C) USGBC - United States Green Building Council. D) DOE - Department of Energy.
A helper should be used to help back your vehicle:
A) Whenever possible B) When you have a trailer on your vehicle C) When you need to back on a curved path.
What is a performance appraisal used for?
What will be an ideal response?