diff --git a/Test-problems.md b/Test-problems.md
index 69b3ed3..0ca184d 100644
--- a/Test-problems.md
+++ b/Test-problems.md
@@ -117,7 +117,7 @@ One might reasonably hope that solving this problem will provide a solution of t
 
 #### Statement
 
-Choose a Johnson solid. Assemble it and confirm that it's rigid.
+Choose a Johnson solid. Realize it and confirm that it's rigid.
 
 #### Notes
 
@@ -149,7 +149,7 @@ There are various ways to represent the solid and to constrain the faces to be r
 
 #### Statement
 
-Try to assemble a 5-5-4 acrohedron, which is a polyhedron with the following properties:
+Try to realize a 5-5-4 acrohedron, which is a polyhedron with the following properties:
 
 - Every face is a regular polygon.
 - There’s some vertex whose neighboring faces are a 5-gon, a 5-gon, and a 4-gon, in that cyclic order.
@@ -186,7 +186,7 @@ Almost-ring of thirteen square anti-prisms
 
 #### Statement
 
-Choose a rigid ring or almost-ring of polyhedra. Assemble it by constraining distances between vertices or angles between faces. If it's a ring, verify that it closes and is rigid. If it's an almost-ring, verify that it doesn't close.
+Choose a rigid ring or almost-ring of polyhedra. Realize it by constraining distances between vertices or angles between faces. If it's a ring, verify that it closes and is rigid. If it's an almost-ring, verify that it doesn't close.
 
 #### Notes