diff --git a/contents/drawings/471.svg b/contents/drawings/471.svg
index 8987935..a47b29f 100644
--- a/contents/drawings/471.svg
+++ b/contents/drawings/471.svg
@@ -1335,36 +1335,34 @@
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diff --git a/contents/drawings/471.tex b/contents/drawings/471.tex
index e83ac3e..c6ea53c 100644
--- a/contents/drawings/471.tex
+++ b/contents/drawings/471.tex
@@ -64,7 +64,7 @@
\draw( 7.50,-1.50) node[fill=white](){Ultraviolett};
\draw( 8.60,-1.00) node[fill=white](){Ljus};
\draw( 9.50,-0.50) node[fill=white](){Infrarött};
- \draw(11.00,-1.00) node[fill=white](){Terahertzstrahlung};
+ \draw(11.00,-1.00) node[fill=white](){Terahertzstrålning};
\draw(12.50,-0.50) node[fill=white](){Radar};
\draw(13.25,-1.50) node[fill=white](){Mikrovågsstrålning};
\draw(16.50,-1.00) node[fill=white](){Radiovågor};
diff --git a/contents/drawings/731.svg b/contents/drawings/731.svg
index 5fdd1a0..8b832da 100644
--- a/contents/drawings/731.svg
+++ b/contents/drawings/731.svg
@@ -1,363 +1,361 @@
-