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While discussing pulleys, Technician A says that some engines use a vibration damper to minimize vibrations in the crankshaft that could cause it to crack or break. Technician B says that some engines do not use a damper. Instead they have a single-piece pulley with threaded holes to attach the drive belt pulley(s) . Who is correct?
Ethnic Groups
Categories of people who identify with each other based on shared cultural, ancestral, or national characteristics.
Monozygotic Twins
Identical twins that develop from a single fertilized egg, sharing the same genetic material.
Fraternal Twins
Twins that are born from two separate eggs fertilized by two different sperm, resulting in siblings that are genetically distinct from one another.
Heterozygous
Having two different alleles.
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