Words to Describe implementations

How implementations often is described ("________ implementations")

• popular
• electronic
• successful
• alternative
• partial
• numerical
• simple
• bit
• most
• various
• newer
• many
• sequential
• several
• parallel
• specific
• experimental
• distributed
• advanced
• physical
• digital
• time
• conventional
• proprietary
• commercial
• corresponding
• based
• initial
• practical
• sophisticated
• optical
• scale
• virtual
• older
• abstract
• compliant
• actual
• world
• neural
• recent
• robust
• available
• effective
• possible
• current
• correct
• earliest
• typical
• numerous
• future
• oriented
• independent
• different
• computational
• efficient
• traditional
• early
• concrete
• standard
• complex
• earlier
• alternate
• previous
• multiple
• level