Harmonize labels names and use centering

A few reformating as well, commit mainly about consistency

book/troubleshooting/crumb-structures.tex

@@ -1,5 +1,5 @@
 \section{Debugging your crumb structure}%
-\label{section:debugging-crumb-structure}
+\label{sec:debugging-crumb-structure}
 
 The crumb structure of your bread provides insights into how well
 your fermentation process has gone. You can also spot common flaws
@@ -7,6 +7,7 @@ arising from improper technique. This chapter will provide you with information
 that you can use to debug your baking process.
 
 \begin{figure}
+  \centering
   \includegraphics[width=\textwidth]{crumb-structures-book}
   \caption[Debugging your crumb structure]{A schematic visualization of
       different crumb structures and their respective causes. The final bread's
@@ -18,6 +19,7 @@ that you can use to debug your baking process.
 \subsection{Perfect fermentation}
 
 \begin{figure}
+  \centering
   \includegraphics[width=\textwidth]{open-crumb}
   \caption[Perfectly fermented bread]{The bread has a somewhat open crumb
       with areas featuring a honeycomb structure.}%
@@ -49,6 +51,7 @@ A good rule of thumb is to not touch your dough for at least 1--2~hours before s
 to achieve as open a crumb as possible.
 
 \begin{figure}
+  \centering
   \includegraphics[width=\textwidth]{honeycomb}
   \caption[Honeycomb crumb structure]{A whole-wheat sourdough with an almost
       exclusive honeycomb crumb structure.}%
@@ -75,8 +78,10 @@ of this bread compared to an open crumb.
 \label{subsec:overfermented-dough}
 
 \begin{figure}
+  \centering
   \includegraphics[width=\textwidth]{fermented-too-long}
-  \caption[Overfermented sourdough bread]{A relatively flat dough that has many tiny pockets of air.}%
+  \caption[Overfermented sourdough bread]{A relatively flat dough that has
+      many tiny pockets of air.}%
   \label{fig:fermented-too-long}
 \end{figure}
 
@@ -154,6 +159,7 @@ room temperature briefly before refrigerating can be beneficial.
 \subsection{Underfermented}
 
 \begin{figure}
+  \centering
   \includegraphics[width=\textwidth]{fermented-too-short-underbaked}
   \caption[Underfermented bread]{A dense dough featuring a gummy, not fully
       gelatinized area.  The picture has been provided by the user
@@ -189,11 +195,12 @@ of air in your crumb. But in reality you fermented for too short a period
 of time.
 
 \begin{figure}
+  \centering
   \includegraphics[width=\textwidth]{fools-crumb}
   \caption[Fool's crumb large alveoli]{A typical example of a fool's crumb
       featuring an ear and several overly large alveoli. The picture has been
       provided by Rochelle from our community Discord server.}%
-  \label{fools-crumb}
+  \label{fig:fools-crumb}
 \end{figure}
 
 In a properly fermented dough, the alveoli help with the heat transfer throughout the dough.
@@ -224,9 +231,10 @@ and less bacterial activity.
 \subsection{Not enough dough strength}
 
 \begin{figure}
+  \centering
   \includegraphics[width=\textwidth]{flat-bread}
   \caption{A very flat bread without enough dough strength.}%
-  \label{flat-bread}
+  \label{fig:flat-bread}
 \end{figure}
 
 When a dough flattens out quite a lot during the baking process, the chances are
@@ -249,9 +257,10 @@ The last option to fix a dough with too little dough strength is to shape your d
 \subsection{Baked too hot}
 
 \begin{figure}
+  \centering
   \includegraphics[width=\textwidth]{baked-too-hot-v2}
   \caption{A bread with very large alveoli close to the crust.}%
-  \label{baked-too-hot}
+  \label{fig:baked-too-hot}
 \end{figure}
 
 This is a common mistake that has happened to me a lot. When you bake your dough
@@ -280,10 +289,11 @@ turn the fan off, consider using a Dutch oven.
 \subsection{Baked with too little steam}
 
 \begin{figure}[h]
+  \centering
   \includegraphics[width=\textwidth]{no-steam}
   \caption[Bread baked with too little steam]{One of my earlier breads that
       I~baked at a friend's place where I~couldn't steam the dough properly.}%
-  \label{no-steam}
+  \label{fig:no-steam}
 \end{figure}
 
 Similar to baking too hot, when baking without enough steam, your dough's crust
@@ -304,11 +314,12 @@ tray on top of my dough, paired with a bowl full of boiling water towards the bo
 of the oven.
 
 \begin{figure}[ht]
+  \centering
   \includegraphics[width=\textwidth]{apple-experiment-temperatures}
   \caption[Measuring ambient and surface temperature]{An apple with 2 probes
       to measure ambient and surface temperatures of several steaming
       techniques in a Dutch oven.}%
-  \label{apple-experiment-temperatures}
+  \label{fig:apple-experiment-temperatures}
 \end{figure}
 
 Now there can also be too much steam. For this I~tested using a Dutch oven paired with large ice
@@ -325,19 +336,21 @@ the surface of the apple a lot quicker. When replicating this with a bread dough
 I~would achieve less oven spring.
 
 \begin{figure}[ht]
+  \centering
   \input{plots/fig-temperature-surface.tex}
   \caption[Surface temperature versus steaming technique]{A chart showing how
       the temperature of the apple's surface changes with different
       steaming techniques.}%
-  \label{apple-experiment-surface-temperatures}
+  \label{fig:apple-experiment-surface-temperatures}
 \end{figure}
 
 \begin{figure}[ht]
+  \centering
   \input{plots/fig-temperature-ambient.tex}
   \caption[Dutch Oven temperature versus steaming technique]{This figure shows
       how the ambient temperatures inside of the Dutch oven change depending
       on the steaming technique that is used.}%
-  \label{apple-experiment-ambient-temperatures}
+  \label{fig:apple-experiment-ambient-temperatures}
 \end{figure}
 
 Generally though, achieving too much steam is relatively challenging. I~could only