14 ingredients

To make units final product
start with units ingredient 1
add: units ingredient 2
add: units ingredient 3
add: units ingredient 4
add: units ingredient 5
add: units ingredient 6
add: units ingredient 7
add: units ingredient 8
add: units ingredient 9
add: units ingredient 10
add: units ingredient 11
bring to units ingredient 12
add: units ingredient 13
autoclave for units last ingredient