Examlex
Which of the following statement(s) are true about knots in lumber?
A.Knots may be either tight or loose
B.Knots strengthen a piece of lumber
C.The portion of a branch or limb that is embedded in the wood
D.Knots are caused by improper drying.
Heartburn
A burning sensation in the chest, often spreading to the throat, associated with gastroesophageal reflux disease (GERD).
Chest Pain
A symptom that can be due to a number of health issues, ranging from indigestion to heart attack.
Bends Over
The action of leaning forward or curving the spine, typically to reach or pick something up.
Saphenous Vein
A large vein located in the leg and thigh, often used for grafts in coronary artery bypass surgery due to its length and size.
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