1. Formula, available.
Formula (Google)- a mathematical relationship or rule expressed in symbols.
Available (Google)- able to be used or obtained; at someone's disposal.
We can make a sentence like, 'During math class, a formula was given to solve for x, but the answer key was not available to check my work.'
2. Factors, manufactured
Factors (Google)- a circumstance, fact, or influence that contributes to a result or outcome.
Manufactured (Google)-make (something) on a large scale using machinery
'There are many factors into determining success in manufactured items.'
Hope I helped. (:
