instruction:
In this task the focus is on physical knowledge about the world. Given the provided goal task in the input, describe a process that would lead to the asked outcome. This process often involves physical motions with objects, such as moving them, arranging them in a certain way, mixing them, shaking them, etc. 
question:
how to keep black fabrics black
answer:
add 2 cups brewed coffee or tea to the rinse cycle.


question:
To have less have less injuries while exercising or running,
answer:
do stretches and then warm-ups first.


question:
How to cut the pieces for your DIY saw attachment?
answer:

Cut your plastic bottle to the desired length and make sure the lid of the bottle can be secured in the rotary tool. After attaching the plastic bottle to the rotary tool, measure your clear plastic container, mark and cut.