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diff --git a/erpnext/docs/user/manual/en/manufacturing/articles/production-planning-subassembly.md b/erpnext/docs/user/manual/en/manufacturing/articles/production-planning-subassembly.md
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+#Production Planning & Subassembly
+
+if you need Production Planning Tool to consider raw-materials required for the manufacturing of sub-assembly items selected in the BOM, please check following instructions to achieve the same.
+
+Production Planning Tool has field called "Use Multi-Level BOM", checking which will consider raw-material of sub-assemblies as well in the material planning. If this field is not checked, then it will consider sub-assembly as an item, and won't consider raw-material required for the manufacturing of that sub-assembly.
+
+
+
+You will find same field in the Production Order and Stock Entry as well.This feature is very useful for the companies who create BOM for the sub-assemblies, but Production Order is created only for the finished item. They do not create separate Production Order for the sub-assemblies, but raw-materials as listed in the BOM of sub-assembly items are consumed in the production process, and not sub-assembly item directly.
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diff --git a/erpnext/docs/user/manual/en/manufacturing/articles/valuation-based-on-field-in-bom.md b/erpnext/docs/user/manual/en/manufacturing/articles/valuation-based-on-field-in-bom.md
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+#Valuation Based On' Field in BOM
+
+**Question:** What do the various options in Valuation Based On Field in Bill Of Materials (BOM) Form mean?
+
+**Answer:** There are 3 available options in the Valuation Based On field;
+
+
+
+Valuation Rate: Item valuation rate is defined based on it's purchase/manufacture value + other charges.
+
+For Purchase Item, it is defined based on charges entered in the Purchase Receipt. If you don't have any Purchase Receipt
+ made for an item or a Stock Reconciliation, then you won't have
+Valuation Rate for that item.
+
+Price List Rate: Just like you pull item prices in sales and purchase transaction, it can be pulled in BOM via Price List Rate.
+
+Last Purchase Rate: It will be the last Purchase Rate value of an item. This value is updated in the item master as well, based on rate in the Purchase Order for this item.
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diff --git a/erpnext/docs/user/manual/en/stock/articles/creating-depreciation-for-item.md b/erpnext/docs/user/manual/en/stock/articles/creating-depreciation-for-item.md
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+#Creating Depreciation For Item
+
+**Question:** A Fixed Asset Item has been purchased and stored in a warehouse. How can the user create a depreciation for a Fixed Asset Item?<
+
+**Answer:**Though there is no direct, automated method to book Asset Depreciation. A suitable work around to achieve this is by creating a Stock Reconciliation Entry.
+
+####Step 1: In the Attachment file, fill in the appropriate columns;
+
+- _Item Code_ whose value is to be depreciated.
+- _Warehouse_ in which it is stored
+- _Qty_ Leave this column blank
+- _Valuation rate_ Enter the Value after Depreciation
+
+
+
+
+####Step 2:
+
+In the Stock Reconciliation Form, enter the Expense account for depreciation in Difference Account.