stubborn
by-product
landfill
feasible
to scale up
burden
standing-start research
expedited
Something caused to be done or progress more quickly.
A place where waste is buried in the ground in large amounts.
Something that is produced as a result of making something else.
Able to be made, done, or achieved.
Something difficult or unpleasant that you have to deal with or worry about.
To increase something in size, amount, or production.
From the first steps until its completion.
A person determined to do what they want and who refuses to do anything else.