diff --git a/crates/xray-db/resources/tests/chunks/alife_object_inventory_box/alife_object_inventory_box.chunk b/crates/xray-db/resources/tests/chunks/alife_object_inventory_box/alife_object_inventory_box.chunk
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index 0000000..460cd9b
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diff --git a/crates/xray-db/resources/tests/chunks/alife_object_item_weapon_magazined/alife_object_item_weapon_magazined.chunk b/crates/xray-db/resources/tests/chunks/alife_object_item_weapon_magazined/alife_object_item_weapon_magazined.chunk
new file mode 100644
index 0000000..a41a32a
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diff --git a/crates/xray-db/resources/tests/chunks/alife_object_item_weapon_magazined_wgl/alife_object_item_weapon_magazined_wgl.chunk b/crates/xray-db/resources/tests/chunks/alife_object_item_weapon_magazined_wgl/alife_object_item_weapon_magazined_wgl.chunk
new file mode 100644
index 0000000..37903f5
Binary files /dev/null and b/crates/xray-db/resources/tests/chunks/alife_object_item_weapon_magazined_wgl/alife_object_item_weapon_magazined_wgl.chunk differ
diff --git a/crates/xray-db/resources/tests/chunks/alife_object_item_weapon_shotgun/alife_object_item_weapon_shotgun.chunk b/crates/xray-db/resources/tests/chunks/alife_object_item_weapon_shotgun/alife_object_item_weapon_shotgun.chunk
new file mode 100644
index 0000000..13903f3
Binary files /dev/null and b/crates/xray-db/resources/tests/chunks/alife_object_item_weapon_shotgun/alife_object_item_weapon_shotgun.chunk differ
diff --git a/crates/xray-db/src/data/alife/alife_object_inventory_box.rs b/crates/xray-db/src/data/alife/alife_object_inventory_box.rs
index 02ec5f6..fda947c 100644
--- a/crates/xray-db/src/data/alife/alife_object_inventory_box.rs
+++ b/crates/xray-db/src/data/alife/alife_object_inventory_box.rs
@@ -4,7 +4,7 @@ use crate::data::alife::alife_object_inherited_reader::{
   AlifeObjectGeneric, AlifeObjectInheritedReader,
 };
 use crate::data::alife::alife_object_visual::AlifeObjectVisual;
-use byteorder::{ByteOrder, ReadBytesExt};
+use byteorder::{ByteOrder, ReadBytesExt, WriteBytesExt};
 use std::io;
 
 #[derive(Clone, Debug, PartialEq)]
@@ -16,6 +16,7 @@ pub struct AlifeObjectInventoryBox {
 }
 
 impl AlifeObjectInheritedReader<AlifeObjectInventoryBox> for AlifeObjectInventoryBox {
+  /// Read inventory object data from the chunk.
   fn read_from_chunk<T: ByteOrder>(chunk: &mut Chunk) -> io::Result<AlifeObjectInventoryBox> {
     let base: AlifeObjectVisual = AlifeObjectVisual::read_from_chunk::<T>(chunk)?;
 
@@ -31,9 +32,82 @@ impl AlifeObjectInheritedReader<AlifeObjectInventoryBox> for AlifeObjectInventor
     })
   }
 
+  /// Write inventory object data into the writer.
   fn write<T: ByteOrder>(&self, writer: &mut ChunkWriter) -> io::Result<()> {
-    todo!("Implement write operation");
+    self.base.write::<T>(writer)?;
+
+    writer.write_u8(self.can_take)?;
+    writer.write_u8(self.is_closed)?;
+    writer.write_null_terminated_string(&self.tip)?;
+
+    Ok(())
   }
 }
 
 impl AlifeObjectGeneric for AlifeObjectInventoryBox {}
+
+#[cfg(test)]
+mod tests {
+  use crate::chunk::chunk::Chunk;
+  use crate::chunk::writer::ChunkWriter;
+  use crate::data::alife::alife_object_abstract::AlifeObjectAbstract;
+  use crate::data::alife::alife_object_inherited_reader::AlifeObjectInheritedReader;
+  use crate::data::alife::alife_object_inventory_box::AlifeObjectInventoryBox;
+  use crate::data::alife::alife_object_visual::AlifeObjectVisual;
+  use crate::test::utils::{
+    get_test_chunk_file_sub_dir, open_test_resource_as_slice, overwrite_test_resource_as_file,
+  };
+  use crate::types::SpawnByteOrder;
+  use fileslice::FileSlice;
+  use std::io;
+
+  #[test]
+  fn test_read_write_object() -> io::Result<()> {
+    let mut writer: ChunkWriter = ChunkWriter::new();
+    let filename: String =
+      get_test_chunk_file_sub_dir(file!(), &String::from("alife_object_inventory_box.chunk"));
+
+    let object: AlifeObjectInventoryBox = AlifeObjectInventoryBox {
+      base: AlifeObjectVisual {
+        base: AlifeObjectAbstract {
+          game_vertex_id: 0,
+          distance: 0.0,
+          direct_control: 0,
+          level_vertex_id: 0,
+          flags: 0,
+          custom_data: "".to_string(),
+          story_id: 0,
+          spawn_story_id: 0,
+        },
+        visual_name: "".to_string(),
+        visual_flags: 0,
+      },
+      can_take: 0,
+      is_closed: 0,
+      tip: "".to_string(),
+    };
+
+    object.write::<SpawnByteOrder>(&mut writer)?;
+
+    assert_eq!(writer.bytes_written(), 32);
+
+    let bytes_written: usize = writer.flush_chunk_into_file::<SpawnByteOrder>(
+      &mut overwrite_test_resource_as_file(&filename)?,
+      0,
+    )?;
+
+    assert_eq!(bytes_written, 32);
+
+    let file: FileSlice = open_test_resource_as_slice(&filename)?;
+
+    assert_eq!(file.bytes_remaining(), 32 + 8);
+
+    let mut chunk: Chunk = Chunk::from_file(file)?.read_child_by_index(0)?;
+    let read_object: AlifeObjectInventoryBox =
+      AlifeObjectInventoryBox::read_from_chunk::<SpawnByteOrder>(&mut chunk)?;
+
+    assert_eq!(read_object, object);
+
+    Ok(())
+  }
+}
diff --git a/crates/xray-db/src/data/alife/alife_object_item_weapon_magazined.rs b/crates/xray-db/src/data/alife/alife_object_item_weapon_magazined.rs
index 11f5a3e..6e1b146 100644
--- a/crates/xray-db/src/data/alife/alife_object_item_weapon_magazined.rs
+++ b/crates/xray-db/src/data/alife/alife_object_item_weapon_magazined.rs
@@ -7,11 +7,13 @@ use crate::data::alife::alife_object_item_weapon::AlifeObjectItemWeapon;
 use byteorder::ByteOrder;
 use std::io;
 
+#[derive(Clone, Debug, PartialEq)]
 pub struct AlifeObjectItemWeaponMagazined {
   pub base: AlifeObjectItemWeapon,
 }
 
 impl AlifeObjectInheritedReader<AlifeObjectItemWeaponMagazined> for AlifeObjectItemWeaponMagazined {
+  /// Read magazined weapon data from the chunk.
   fn read_from_chunk<T: ByteOrder>(
     chunk: &mut Chunk,
   ) -> io::Result<AlifeObjectItemWeaponMagazined> {
@@ -20,9 +22,94 @@ impl AlifeObjectInheritedReader<AlifeObjectItemWeaponMagazined> for AlifeObjectI
     Ok(AlifeObjectItemWeaponMagazined { base })
   }
 
+  /// Write magazined weapon item into the writer.
   fn write<T: ByteOrder>(&self, writer: &mut ChunkWriter) -> io::Result<()> {
-    todo!("Implement write operation");
+    self.base.write::<T>(writer)?;
+
+    Ok(())
   }
 }
 
 impl AlifeObjectGeneric for AlifeObjectItemWeaponMagazined {}
+
+#[cfg(test)]
+mod tests {
+  use crate::chunk::chunk::Chunk;
+  use crate::chunk::writer::ChunkWriter;
+  use crate::data::alife::alife_object_abstract::AlifeObjectAbstract;
+  use crate::data::alife::alife_object_inherited_reader::AlifeObjectInheritedReader;
+  use crate::data::alife::alife_object_item::AlifeObjectItem;
+  use crate::data::alife::alife_object_item_weapon::AlifeObjectItemWeapon;
+  use crate::data::alife::alife_object_item_weapon_magazined::AlifeObjectItemWeaponMagazined;
+  use crate::data::alife::alife_object_item_weapon_magazined_wgl::AlifeObjectItemWeaponMagazinedWgl;
+  use crate::data::alife::alife_object_visual::AlifeObjectVisual;
+  use crate::test::utils::{
+    get_test_chunk_file_sub_dir, open_test_resource_as_slice, overwrite_test_resource_as_file,
+  };
+  use crate::types::SpawnByteOrder;
+  use fileslice::FileSlice;
+  use std::io;
+
+  #[test]
+  fn test_read_write_object() -> io::Result<()> {
+    let mut writer: ChunkWriter = ChunkWriter::new();
+    let filename: String = get_test_chunk_file_sub_dir(
+      file!(),
+      &String::from("alife_object_item_weapon_magazined.chunk"),
+    );
+
+    let object: AlifeObjectItemWeaponMagazinedWgl = AlifeObjectItemWeaponMagazinedWgl {
+      base: AlifeObjectItemWeaponMagazined {
+        base: AlifeObjectItemWeapon {
+          base: AlifeObjectItem {
+            base: AlifeObjectVisual {
+              base: AlifeObjectAbstract {
+                game_vertex_id: 5232,
+                distance: 53.1213,
+                direct_control: 67,
+                level_vertex_id: 25313,
+                flags: 32,
+                custom_data: String::from("custom-data"),
+                story_id: 3486,
+                spawn_story_id: 37663,
+              },
+              visual_name: String::from("visual-name"),
+              visual_flags: 33,
+            },
+            condition: 1.0,
+            upgrades_count: 0,
+          },
+          ammo_current: 20,
+          ammo_elapsed: 10,
+          weapon_state: 1,
+          addon_flags: 1,
+          ammo_type: 1,
+          elapsed_grenades: 0,
+        },
+      },
+    };
+
+    object.write::<SpawnByteOrder>(&mut writer)?;
+
+    assert_eq!(writer.bytes_written(), 67);
+
+    let bytes_written: usize = writer.flush_chunk_into_file::<SpawnByteOrder>(
+      &mut overwrite_test_resource_as_file(&filename)?,
+      0,
+    )?;
+
+    assert_eq!(bytes_written, 67);
+
+    let file: FileSlice = open_test_resource_as_slice(&filename)?;
+
+    assert_eq!(file.bytes_remaining(), 67 + 8);
+
+    let mut chunk: Chunk = Chunk::from_file(file)?.read_child_by_index(0)?;
+    let read_object: AlifeObjectItemWeaponMagazinedWgl =
+      AlifeObjectItemWeaponMagazinedWgl::read_from_chunk::<SpawnByteOrder>(&mut chunk)?;
+
+    assert_eq!(read_object, object);
+
+    Ok(())
+  }
+}
diff --git a/crates/xray-db/src/data/alife/alife_object_item_weapon_magazined_wgl.rs b/crates/xray-db/src/data/alife/alife_object_item_weapon_magazined_wgl.rs
index daa3683..82122c6 100644
--- a/crates/xray-db/src/data/alife/alife_object_item_weapon_magazined_wgl.rs
+++ b/crates/xray-db/src/data/alife/alife_object_item_weapon_magazined_wgl.rs
@@ -7,6 +7,7 @@ use crate::data::alife::alife_object_item_weapon_magazined::AlifeObjectItemWeapo
 use byteorder::ByteOrder;
 use std::io;
 
+#[derive(Clone, Debug, PartialEq)]
 pub struct AlifeObjectItemWeaponMagazinedWgl {
   pub base: AlifeObjectItemWeaponMagazined,
 }
@@ -14,6 +15,7 @@ pub struct AlifeObjectItemWeaponMagazinedWgl {
 impl AlifeObjectInheritedReader<AlifeObjectItemWeaponMagazinedWgl>
   for AlifeObjectItemWeaponMagazinedWgl
 {
+  /// Read magazined weapon with launcher from the chunk.
   fn read_from_chunk<T: ByteOrder>(
     chunk: &mut Chunk,
   ) -> io::Result<AlifeObjectItemWeaponMagazinedWgl> {
@@ -23,9 +25,94 @@ impl AlifeObjectInheritedReader<AlifeObjectItemWeaponMagazinedWgl>
     Ok(AlifeObjectItemWeaponMagazinedWgl { base })
   }
 
+  /// Write magazined weapon with launcher data into the writer.
   fn write<T: ByteOrder>(&self, writer: &mut ChunkWriter) -> io::Result<()> {
-    todo!("Implement write operation");
+    self.base.write::<T>(writer)?;
+
+    Ok(())
   }
 }
 
 impl AlifeObjectGeneric for AlifeObjectItemWeaponMagazinedWgl {}
+
+#[cfg(test)]
+mod tests {
+  use crate::chunk::chunk::Chunk;
+  use crate::chunk::writer::ChunkWriter;
+  use crate::data::alife::alife_object_abstract::AlifeObjectAbstract;
+  use crate::data::alife::alife_object_inherited_reader::AlifeObjectInheritedReader;
+  use crate::data::alife::alife_object_item::AlifeObjectItem;
+  use crate::data::alife::alife_object_item_weapon::AlifeObjectItemWeapon;
+  use crate::data::alife::alife_object_item_weapon_magazined::AlifeObjectItemWeaponMagazined;
+  use crate::data::alife::alife_object_item_weapon_magazined_wgl::AlifeObjectItemWeaponMagazinedWgl;
+  use crate::data::alife::alife_object_visual::AlifeObjectVisual;
+  use crate::test::utils::{
+    get_test_chunk_file_sub_dir, open_test_resource_as_slice, overwrite_test_resource_as_file,
+  };
+  use crate::types::SpawnByteOrder;
+  use fileslice::FileSlice;
+  use std::io;
+
+  #[test]
+  fn test_read_write_object() -> io::Result<()> {
+    let mut writer: ChunkWriter = ChunkWriter::new();
+    let filename: String = get_test_chunk_file_sub_dir(
+      file!(),
+      &String::from("alife_object_item_weapon_magazined_wgl.chunk"),
+    );
+
+    let object: AlifeObjectItemWeaponMagazinedWgl = AlifeObjectItemWeaponMagazinedWgl {
+      base: AlifeObjectItemWeaponMagazined {
+        base: AlifeObjectItemWeapon {
+          base: AlifeObjectItem {
+            base: AlifeObjectVisual {
+              base: AlifeObjectAbstract {
+                game_vertex_id: 2413,
+                distance: 53.1213,
+                direct_control: 3643,
+                level_vertex_id: 25313,
+                flags: 32,
+                custom_data: String::from("custom-data"),
+                story_id: 3486,
+                spawn_story_id: 37663,
+              },
+              visual_name: String::from("visual-name"),
+              visual_flags: 36,
+            },
+            condition: 1.0,
+            upgrades_count: 0,
+          },
+          ammo_current: 20,
+          ammo_elapsed: 10,
+          weapon_state: 1,
+          addon_flags: 1,
+          ammo_type: 1,
+          elapsed_grenades: 0,
+        },
+      },
+    };
+
+    object.write::<SpawnByteOrder>(&mut writer)?;
+
+    assert_eq!(writer.bytes_written(), 67);
+
+    let bytes_written: usize = writer.flush_chunk_into_file::<SpawnByteOrder>(
+      &mut overwrite_test_resource_as_file(&filename)?,
+      0,
+    )?;
+
+    assert_eq!(bytes_written, 67);
+
+    let file: FileSlice = open_test_resource_as_slice(&filename)?;
+
+    assert_eq!(file.bytes_remaining(), 67 + 8);
+
+    let mut chunk: Chunk = Chunk::from_file(file)?.read_child_by_index(0)?;
+    let read_object: AlifeObjectItemWeaponMagazinedWgl =
+      AlifeObjectItemWeaponMagazinedWgl::read_from_chunk::<SpawnByteOrder>(&mut chunk)?;
+
+    assert_eq!(read_object, object);
+
+    Ok(())
+  }
+}
diff --git a/crates/xray-db/src/data/alife/alife_object_item_weapon_shotgun.rs b/crates/xray-db/src/data/alife/alife_object_item_weapon_shotgun.rs
index 7ebf8f8..f1dcddf 100644
--- a/crates/xray-db/src/data/alife/alife_object_item_weapon_shotgun.rs
+++ b/crates/xray-db/src/data/alife/alife_object_item_weapon_shotgun.rs
@@ -7,20 +7,104 @@ use crate::data::alife::alife_object_item_weapon::AlifeObjectItemWeapon;
 use byteorder::ByteOrder;
 use std::io;
 
+#[derive(Clone, Debug, PartialEq)]
 pub struct AlifeObjectItemWeaponShotgun {
   pub base: AlifeObjectItemWeapon,
 }
 
 impl AlifeObjectInheritedReader<AlifeObjectItemWeaponShotgun> for AlifeObjectItemWeaponShotgun {
+  /// Read shotgun object data from the chunk.
   fn read_from_chunk<T: ByteOrder>(chunk: &mut Chunk) -> io::Result<AlifeObjectItemWeaponShotgun> {
     let base: AlifeObjectItemWeapon = AlifeObjectItemWeapon::read_from_chunk::<T>(chunk)?;
 
     Ok(AlifeObjectItemWeaponShotgun { base })
   }
 
+  /// Write shotgun object data into the writer.
   fn write<T: ByteOrder>(&self, writer: &mut ChunkWriter) -> io::Result<()> {
-    todo!("Implement write operation");
+    self.base.write::<T>(writer)?;
+
+    Ok(())
   }
 }
 
 impl AlifeObjectGeneric for AlifeObjectItemWeaponShotgun {}
+
+#[cfg(test)]
+mod tests {
+  use crate::chunk::chunk::Chunk;
+  use crate::chunk::writer::ChunkWriter;
+  use crate::data::alife::alife_object_abstract::AlifeObjectAbstract;
+  use crate::data::alife::alife_object_inherited_reader::AlifeObjectInheritedReader;
+  use crate::data::alife::alife_object_item::AlifeObjectItem;
+  use crate::data::alife::alife_object_item_weapon::AlifeObjectItemWeapon;
+  use crate::data::alife::alife_object_item_weapon_shotgun::AlifeObjectItemWeaponShotgun;
+  use crate::data::alife::alife_object_visual::AlifeObjectVisual;
+  use crate::test::utils::{
+    get_test_chunk_file_sub_dir, open_test_resource_as_slice, overwrite_test_resource_as_file,
+  };
+  use crate::types::SpawnByteOrder;
+  use fileslice::FileSlice;
+  use std::io;
+
+  #[test]
+  fn test_read_write_object() -> io::Result<()> {
+    let mut writer: ChunkWriter = ChunkWriter::new();
+    let filename: String = get_test_chunk_file_sub_dir(
+      file!(),
+      &String::from("alife_object_item_weapon_shotgun.chunk"),
+    );
+
+    let object: AlifeObjectItemWeaponShotgun = AlifeObjectItemWeaponShotgun {
+      base: AlifeObjectItemWeapon {
+        base: AlifeObjectItem {
+          base: AlifeObjectVisual {
+            base: AlifeObjectAbstract {
+              game_vertex_id: 36426,
+              distance: 54.132,
+              direct_control: 441,
+              level_vertex_id: 23513,
+              flags: 33,
+              custom_data: String::from("custom-data"),
+              story_id: 35426,
+              spawn_story_id: 267845,
+            },
+            visual_name: String::from("visual-name"),
+            visual_flags: 253,
+          },
+          condition: 1.0,
+          upgrades_count: 0,
+        },
+        ammo_current: 20,
+        ammo_elapsed: 10,
+        weapon_state: 3,
+        addon_flags: 36,
+        ammo_type: 1,
+        elapsed_grenades: 1,
+      },
+    };
+
+    object.write::<SpawnByteOrder>(&mut writer)?;
+
+    assert_eq!(writer.bytes_written(), 67);
+
+    let bytes_written: usize = writer.flush_chunk_into_file::<SpawnByteOrder>(
+      &mut overwrite_test_resource_as_file(&filename)?,
+      0,
+    )?;
+
+    assert_eq!(bytes_written, 67);
+
+    let file: FileSlice = open_test_resource_as_slice(&filename)?;
+
+    assert_eq!(file.bytes_remaining(), 67 + 8);
+
+    let mut chunk: Chunk = Chunk::from_file(file)?.read_child_by_index(0)?;
+    let read_object: AlifeObjectItemWeaponShotgun =
+      AlifeObjectItemWeaponShotgun::read_from_chunk::<SpawnByteOrder>(&mut chunk)?;
+
+    assert_eq!(read_object, object);
+
+    Ok(())
+  }
+}