List at least three ways to find out the core temperature of the steak without a thermostat, **providing a lengthy response describing each item**, **making a list using appropriate markdown**, for example:

1. **ITEM 1: blahblahblah**
2. **ITEM 2: blahblahblah**
3. **ITEM 3: blahblahblah**

Here is a code block for reference:

```md
1. **ITEM 1: blahblahblah**
2. **ITEM 2: blahblahblah**
3. **ITEM 3: blahblahblah**
```
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