[Q]: Objective: to repair worn out heel linings of your shoes
[A]: patch some denim over it by sewing

[Q]: Objective: how do you craft something?
[A]: make it yourself.

[Q]: Objective: How to reply to an email on gmail
[A]: Click on the email you wish to reply to. On the top right, find the button with an arrow pointing to the left. Click that, and then compose your reply. Click send when finished.

[Q]: Objective: how do you fill out a captcha on mturk?
[A]:
click on the box beneath the captcha image and type exactly what is written in the captcha image then click submit.