In the context of lean manufacturing tiniest things must be done carefully, including the placement of tools used for assembly or maintenance work. This is where 5S is very important especially in Seiton concept of placing the goods or tools in accordance with a designated place.
Some of the reasons why must be an efficient placement are:
Reduction of motion like this is indeed the purpose of a campaign to lean manufacturing in order to reduce costs caused by inefficient labor movement. These movements are referred to as taking the appropriate tools, search tools, return to the workplace, high and low placement of furnishings and so forth. If not carefully considered it will be a real waste.