diff --git a/ExtraTypes.cpp b/ExtraTypes.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..572ef20366678d7e5e419047203781ab9947b607
--- /dev/null
+++ b/ExtraTypes.cpp
@@ -0,0 +1,99 @@
+#include "SupportTypes.h"
+
+#include <iomanip>
+
+bool Node::operator==(const Node& right_node) const {
+    return (id == right_node.id && cords[0] == right_node.cords[0] && cords[1] == right_node.cords[1] && cords[2] == right_node.cords[2] && isApex == right_node.isApex);
+};
+
+std::ostream& operator<<(std::ostream& out_stream, const Node& node_) {
+    out_stream << std::setw(4) << node_.id << " |"
+               << std::right << std::setw(11) << node_.cords[0] << std::setw(11) << node_.cords[1] << std::setw(11) << node_.cords[2]
+               << " | " << node_.isApex << "\n";    // STD::ENDL
+    return out_stream;
+}
+
+std::ostream& operator<<(std::ostream& out_stream, const FiniteElement& element_) {
+    out_stream << std::setw(4) << element_.id << " |"
+               << std::setw(11) << element_.id_material << " |";
+    for (const auto& nodes_it : element_.nodes_id)
+        out_stream << std::right << std::setw(4) << nodes_it;
+    out_stream << "\n";
+    return out_stream;
+}
+
+std::ostream& operator<<(std::ostream& out_stream, const BoundaryFiniteElement& b) {
+    out_stream << std::setw(9) << b.id<< " |"
+               << std::setw(9) << b.border_id << " |";
+    for (const auto& nodes_it : b.nodes_id)
+        out_stream << std::right << std::setw(4) << nodes_it;
+    out_stream << "\n";
+    return out_stream;
+}
+
+std::ostream& operator<<(std::ostream& out_stream, const std::vector<Node>& nodes_) {
+    out_stream << nodes_.size() << (nodes_.size() > 1 ? " Nodes:\n" : " Node:\n") << " ID"
+               << std::setw(10) << "X" << std::setw(11) << "Y" << std::setw(11) << "Z" << std::setw(14) << "isApex\n";
+    for (const auto& it : nodes_)
+        out_stream << it;
+    return out_stream;
+}
+
+Node::Node()
+{
+	id = 0;
+	cords[0] = 0;
+	cords[1] = 0;
+	cords[2] = 0;
+	isApex = 0;
+}
+
+Node::Node(int ID_, int x_, int y_, int z_, bool apex_)
+{
+	id = ID_;
+	cords[0] = x_;
+	cords[1] = y_;
+	cords[2] = z_;
+	isApex = apex_;
+}
+
+bool Node::operator<(const Node& right_node) const {
+    return id < right_node.id;
+}
+
+std::ostream& operator<<(std::ostream& out_stream, const std::vector<FiniteElement>& elements_) {
+    int elements_size = elements_.size();
+    out_stream << elements_size << (elements_size > 1 ? "Finite Elements:\n" : "Finite Element:\n")
+               << " ID" << std::setw(15) << "Material_ID" << std::setw(15) << "Nodes ID\n";
+    for (const auto& it : elements_)
+        out_stream << it;
+    return out_stream;
+}
+
+std::ostream& operator<<(std::ostream& out_stream, const std::vector<BoundaryFiniteElement>& b) {
+    int b_size = b.size();
+    out_stream << b_size << (b_size > 1 ? " Surfaces:\n" : " Surface:\n")
+               << "Surface_ID" << std::setw(11) << "Border_ID" << std::setw(14) << "Nodes ID\n";
+    for (const auto& it : b)
+        out_stream << it;
+    return out_stream;
+}
+
+Edge::Edge(int id1, int id2, int id3) :
+    f_id(id1), l_id(id2), c_id(id3) {}
+
+void Edge::update(int id) {
+    c_id = id;
+}
+
+bool Edge::operator==(const Edge& right_edge) const {
+    if (right_edge.f_id == f_id && right_edge.l_id == l_id)
+        return true;
+    else if (right_edge.f_id == l_id && right_edge.l_id == f_id)
+        return true;
+    else return false;
+}
+
+bool Edge::operator<(const Edge& right_edge) const {
+    return c_id < right_edge.c_id;
+}