Which region of the vertebrae extends through the pelvic area?
a. Sacrum region c. Cervical region
b. Thoracic region d. Lumbar region
A
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Lime-based mortar is high in _____, which means that the mortar resists drying effects when combined with the masonry units to build a wall.
A. water retentivity B. bond strength C. workability D. tensile strength
Products used for ____ include portable posts and railings, rotary gates, turnstiles, electronic detection and counting systems, and items to limit access.
A. fire protection B. protective cover C. pedestrian control D. wall and corner guards
Corrosion may show up in which form?
a. pitting b. rusting c. slabbing d. all of the above
Rudolph Diesel ran his engine on ____________________ oil, because he thought it would be more economical than petroleum oils
Fill in the blank(s) with correct word