input: from typing import List
  
  
  def unique_elements(numbers: List[int]) -> List[int]:
      """ Given a list of integers, eliminate all elements that appear multiple times.
      Preserve the original order of remaining elements.
      >>> unique_elements([1, 2, 3, 2, 4])
      [1, 3, 4]
      """
output:     element_count = {}
      for number in numbers:
          if number in element_count:
              element_count[number] += 1
          else:
              element_count[number] = 1
  
      result = []
      for number in numbers:
          if element_count[number] == 1:
              result.append(number)
      
      return result