TASK DEFINITION: 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. 
PROBLEM: Bracing the base pf your platform with 2 x 4.

SOLUTION: To take any wobble out of or base we will add two braces. First we will cut a 45-degree angle out of the top ends on each 2 x 4. This is so that you can attach the 2 x 4 to the inside of the platform. We will form a V with your 2 x 4 so that they overlap at a straight part of tree but also cleanly abut onto the inside of the platform. Attach the top of the bracing to the platform from the bottom and on the inside. Make sure both are completely flush before you drive nails into them.Drive an 8" lag screw through the overlapping 2 x 4's at a sturdy point on the tree. Use a washer between the 2 x 4's and the lag screw for best results.

PROBLEM: Clean a bike chain

SOLUTION: Brush each link with a firm brush or a toothbrush.

PROBLEM: how to clean a disk.

SOLUTION:
spray an approved cleanser onto the readable surface of the disk. use a gentle cloth suitable for disk cleaning or computer screen cleaning and gently wipe the readable surface clean.