Three of the following techniques are used in mass production which is not

The answer is: Parts that are all slightly different.

The townshend duties were repealed, except for the tax on textiles, tea, or glass?

The round cakes represented the moon, with candles adding light. cakes specifically for birthdays (rather than weddings) originated in  15th century  germany. these single layer cakes were especially popular for first birthdays. in the  18th century  children's birthday parties called kinderfesten became popular.hope this vote me brainiest!