Questions about Shabbat and Theft

Hello, I have some very important questions: Regarding the laws of Shabbat: 1. Is it permissible on Shabbat to put on and take off a shirt with a narrow neck that gets slightly stained by makeup? (Of course, there is no enjoyment from this staining) 2. When I wear a wig, I need to fasten a band underneath with Velcro, and it almost always gets stuck in the hair. Is there a problem gently releasing it on Shabbat? Also, I have a necklace with stones that constantly gets caught in clothes. Is it permissible to release it without tearing the fabric? Regarding theft: 1. I worked as an assistant in a special education class. There wasn't much to do there, and it was boring most of the time. So I would occasionally talk on the phone or leave the class for breaks. I was afraid this might be theft, so sometimes I worked for free or clocked out before I finished working. But I'm afraid I might not have returned enough money for the time wasted. Should I be concerned that they are strict about this? 2. At work, I prayed the morning prayer for several months. One day the manager told me that it is forbidden to pray during work time. I asked her if I need to pay for that time, and she said no. But she is a salaried manager. Can she forgive me for this? Thank you very much!!!

Shalom and blessings 

Shabbat:

1. It is permissible, it is considered dirt. 

2. It is permissible as long as it is not certain that hair or fabric will be torn. 

Regarding theft: 

1. If your work was not needed at that time, it was permissible for you to talk on the phone initially. 

2. You can rely on the person in charge on site. 

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