---
title: "50 Essential Knowledge Points for Warehouse Managers (Worth Collecting)"
description: "This article outlines 50 key knowledge points for warehouse managers, covering responsibilities, tasks, storage knowledge, inspection, classification, numbering, daily checks, quality acceptance, ABC classification, temperature and humidity control, pest prevention, safety, and fire response."
author: "New Distribution"
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published: "2018-07-19"
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---

# 50 Essential Knowledge Points for Warehouse Managers (Worth Collecting)

> This article outlines 50 key knowledge points for warehouse managers, covering responsibilities, tasks, storage knowledge, inspection, classification, numbering, daily checks, quality acceptance, ABC classification, temperature and humidity control, pest prevention, safety, and fire response.

**1. What are the main responsibilities of warehouse managers?**
To handle the inbound and outbound of goods, ensure the safety of the storage process, and cooperate with the company's production and sales to control inventory and plan warehouse space.

**2. What are the tasks of warehouse management?**
1. Fully utilize warehouse conditions to store goods properly;
2. Regularly count inventory to ensure that warehouse records, items, and cards are consistent;
3. Closely cooperate with production and procurement departments to minimize inventory costs.

**3. What should be known about storage knowledge?**
1. Forms of product quality changes: A. Physical changes, B. Chemical changes, C. Physiological changes, D. Changes caused by certain organisms;
2. Factors affecting product quality: A. Internal factors, B. External factors.

**4. What inspection knowledge should warehouse managers possess?**
1. Knowledge of measuring tools: 1. Weighing equipment: 1. Platform scale, 2. Bench scale, 3. Truck scale; 2. Maintenance of weighing equipment; Measuring tools: 1. Ordinary measuring tools: 1. Steel tape, 2. Ruler, 3. Leather tape; 2. Precision measuring tools: 1. Vernier caliper, 2. Micrometer.
2. Knowledge of quality inspection: 1. Inspection content: 1. Appearance quality inspection, 2. Internal quality inspection; 2. Inspection methods: 1. Exemption, 2. Full inspection, 3. Sampling inspection.

**5. Classification of warehouses?**
1. According to the function in commodity circulation: A. Procurement, B. Wholesale, C. Retail, D. Transit, E. Processing, F. Logistics distribution;
2. According to the field in product production: A. Materials, B. Finished products, C. Logistics transit, D. Retailers, E. National reserves;
3. By affiliation: A. Affiliated warehouses of industrial enterprises, B. Affiliated to storage and transportation companies, C. Affiliated to material supply and marketing agencies;
4. By storage conditions: A. Warehouse, B. Shed, C. Yard;
5. By type of goods stored: A. Comprehensive warehouse, B. Professional warehouse, C. Special warehouse;
6. By operation method: A. Manual, B. Semi-mechanized, C. Mechanized, D. Semi-automated, E. Automated.

**6. Product numbering methods and precautions?**
**Numbering methods:** 1. Hierarchical, 2. Parallel, 3. Mixed.
**Precautions:** 1. Numbering should be concise; 2. Numbering should be unique; 3. Numbering should be classified; 4. Numbering should be expandable; 5. Numbering should be stable.

**7. Warehouse management systems: inbound, outbound, returns, dead/defective materials, semi-finished/finished goods**
**Inbound:** 1. Goods receiving specifications, 2. Goods acceptance and exception handling procedures, 3. Methods for various goods inbound, 4. Various inbound report methods;
**Outbound:** 1. Outbound procedure review, 2. Finished product outbound operation standards, 3. Regulations for warehouse item requisition;
**Dead/defective materials:** 1. Definition of dead/defective materials, 2. Process for handling dead/defective materials, 3. Methods for handling dead/defective materials.

**8. What are the daily inspection contents for warehouse personnel?**
1. Check at work start: whether door locks are abnormal, whether items are missing;
2. Check at work end: whether doors are locked, power is off, and other safety hazards;
3. Regularly check temperature and humidity inside the warehouse, maintain ventilation;
4. Check whether flammable, explosive, or other special materials are stored separately and properly.

**9. What should be noted during acceptance quality inspection?**
1. Inspect product packaging;
2. Inspect appearance quality.

**10. Which products should be fully inspected? Which can be sampled, and at what ratio?**
**Full inspection products:**
1. Products with high value but low inspection cost;
2. Key quality characteristics and safety indicators of a product;
3. Products with small production batches, unstable quality, and no strict measures to ensure quality;
4. Products with high precision requirements or significant impact on subsequent processes;
5. Products from processes with significant manual operation and unstable quality;
6. Non-conforming products returned by customers.
**Sampling inspection products:**
1. Products with stable production processes, large batches, and relatively stable quality;
2. Products that are numerous, low-value, and allow some non-conforming items;
3. When many products need inspection and there is a desire to save inspection costs and time;
4. Continuous products that are difficult to divide into units;
5. Products where a few non-conforming items will not cause significant losses;
6. Products where inspection is expected to promote supplier quality improvement and emphasize production risk.

**11. Forms of product quality changes?**
1. Physical changes (volatilization, melting, odor mixing, sedimentation, deformation, contamination, etc.);
2. Chemical changes (metal rusting, decomposition, oxidation, aging);
3. Physiological changes (germination, embryo development);
4. Changes caused by certain organisms (mold, spoilage, insect damage, rodents).

**12. What are the methods of receiving goods?**
1. Receiving at railway special line;
2. Receiving at station or dock;
3. Picking up from supplier or delivering to warehouse/self-pickup steps: Start → Prepare for receiving → Go to supplier → On-site acceptance → Handle receiving procedures → Loading/unloading → Conduct quality re-inspection → Handle inbound procedures → End.

**13. What documents should be collected for product archives?**
1. Various vouchers and technical documents during inbound, such as product technical certificates, certificates of conformity, packing lists, delivery details, etc.;
2. Various documents during transportation, such as transport orders, freight records, etc.;
3. Inbound notices, acceptance records, weighing slips, and technical inspection reports during acceptance.

**14. What issues should be noted when managing product archives?**
1. Uniform numbering of archives;
2. Determine retention period for materials;
3. Update materials promptly.

**15. Causes of waste materials and prevention methods?**
**Causes:** 1. Damaged materials, 2. Scrap materials, 3. Old materials;
**Prevention methods:**
1. Strengthen maintenance of stored goods to prevent insect damage, mold, rust, etc.;
2. Improve utilization rate of materials to reduce scrap;
3. Establish a first-in-first-out material receipt and issue system, and promptly handle dead materials to avoid accumulation and deterioration.

**16. What are the steps for warehouse planning?**
1. Designate dedicated storage areas within the entire warehouse;
2. Divide storage areas into different locations based on warehouse and product characteristics;
3. Number and manage locations and products for standardized and detailed management.

**17. What issues should be noted when arranging a warehouse?**
1. Determine positions based on product reserve quotas;
2. Determine positions based on product usage frequency;
3. Divide positions based on product storage requirements;
4. Plan positions based on product classification catalog.

**18. Warehouse storage areas divided and marked by color?**
1. Yellow: pending inspection;
2. White: pending processing area;
3. Green: qualified product storage area;
4. Red: non-conforming product quarantine area.

**19. What is ABC classification? How to classify?**
ABC classification divides inventory items into three levels based on variety and capital occupation: particularly important items are A, generally important are B, and unimportant are C, then manage and control each level accordingly.
Classification: 1. Estimate annual usage, 2. Determine price per item, 3. Calculate capital occupation and sort, 4. Calculate cumulative amount and proportion, 5. Create ABC analysis chart, 6. Analyze and determine item categories.

**20. Key points for ABC inventory control?**
1. Lead time;
2. Daily consumption;
3. Safety stock.

**21. ABC item classification ratios?**
A items: 15% of inventory, 70%-80% of value; B items: 30% of inventory, 15%-25% of value; C items: 55% of inventory, 5% of value.

**22. Main ways to improve warehouse capacity utilization?**
1. Reasonable layout planning to expand effective warehouse area;
2. Develop vertical space, combining weight and capacity;
3. Adjust storage conditions to improve capacity utilization.

**23. What should be considered when selecting shelves?**
1. Physical characteristics of products;
2. Storage conditions of products;
3. Warehouse facility construction;
4. Warehouse operation characteristics.

**24. What principles should be followed for zoning and classification storage?**
1. Store by product type and nature;
2. Store by dangerous nature;
3. Store by ownership unit;
4. Store by transportation method;
5. Store by storage operation characteristics.

**25. Role of warehouse management in modern logistics distribution?**
1. Regulate production and consumption;
2. Ensure smooth circulation of goods;
3. Reduce transportation costs;
4. Support improved service quality.

**26. What is the purpose of inventory counting?**
Through counting, discrepancies such as surplus, shortage, and specification mix-ups can be discovered, allowing timely investigation and analysis to take measures to recover or reduce losses.

**27. Methods and types of counting?**
1. Cycle counting;
2. Periodic counting;
3. Temporary counting. Methods: A. Counting sheet, B. Counting tag, C. Material tag, D. Zoned rotation, E. Batch/stack counting, F. Minimum stock counting.

**28. Steps to analyze counting discrepancy causes?**
Start → Check counting records → Check measuring tools → Inquire counting personnel → Review inventory accounts → Determine error cause → End.

**29. Why regulate and control warehouse temperature and humidity?**
Because when temperature and humidity exceed product storage requirements, they can directly damage product quality and may cause deterioration, insect infestation, mold, rust, aging, etc. Therefore, reasonable regulation and control of temperature and humidity is the primary issue in product preservation.

**30. How to regulate and control warehouse temperature?**
Heat prevention measures: A. Open windows at night to cool, B. Use air conditioning, C. Build awnings on roof, D. Spray water on roof, E. Add insulation materials on roof;
Freeze prevention: A. Add insulation materials, B. Use heating equipment, C. Seal warehouse to reduce temperature.

**31. What are the preventive methods for moisture and mold?**
1. Temperature control method;
2. Humidity control method;
3. Chemical method;
4. Oxygen scavenger method;
5. Low-temperature cold storage to prevent mold;
6. Meteorological mold prevention method.

**32. What are the main warehouse pests?**
Black carpet beetle, bamboo longhorn beetle, cigarette beetle, sawtoothed grain beetle, webbing clothes moth, silverfish.

**33. Methods to control pests?**
1. Physical control: A. Mechanical, B. Air control, C. Temperature control, D. Trapping, E. Ionizing radiation;
2. Chemical control: A. Repellents, B. Fumigants, C. Insecticides.

**34. Classification of chemical dangerous goods?**
1. Explosive goods (explosives, compressed and liquefied gases, oxidizers and organic peroxides);
2. Flammable goods (flammable liquids, flammable solids, spontaneously combustible substances, substances that emit flammable gases when wet);
3. Goods harmful to humans (toxic, corrosive, radioactive).

**35. Precautions for storing chemical dangerous goods?**
1. Explosives must not be stored together with oxidizers, acids, salts, flammable materials, metal powders, etc., in the same area;
2. Compressed gases and liquids should be stored in dedicated warehouses with lightning protection devices;
3. It is strictly forbidden to mix oxidizers, flammable liquids, flammable solids, spontaneously combustible substances, water-reactive substances, acids, and organic materials;
4. Toxic substances must not be stored together with food, food flavors, oxidizers, or acids.

**36. Dimensions of packaging, storage, and dangerous goods labels?**
Usually four types (70*50 / 50*50).

**37. Causes of product aging?**
1. Internal causes of product aging;
2. External causes of product aging.

**38. What measures should be taken to prevent product aging?**
1. Keep warehouse clean and dry, avoid direct sunlight, and cover polymer products stored in yards;
2. Control warehouse temperature and humidity according to product storage conditions;
3. Ensure packaging integrity to avoid direct exposure to air;
4. Store polymer products separately from oils, corrosive, deliquescent, oxidizing, and high-moisture products;
5. Establish and strictly implement regular inspection system for stored products; take timely measures when aging is detected;
6. Implement first-in-first-out and first-deterioration-first-out principles to minimize storage time for polymer products.

**39. Functions of product packaging?**
1. Protection;
2. Convenience in transportation;
3. Convenience in storage.

**40. Factors affecting packaging?**
1. Loading and unloading;
2. Storage;
3. Transportation.

**41. Common packaging containers?**
Bags, boxes, cartons, bottles, cans.

**42. What does a product storage card include?**
1. Indicates the status of goods, such as pending, non-conforming, qualified, etc.;
2. Indicates the name, specification, supplier, and batch of goods;
3. Dynamic information such as outbound and inventory status.

**43. What warehouse safety knowledge is there?**
1. Security knowledge: A. Laws and regulations, B. Safety production and operation knowledge, C. Labor protection knowledge.
2. Fire protection knowledge: A. National standard "Code for Fire Protection Design of Buildings" (GB50016-2006) issued by the Ministry of Construction, covering dangerous nature of stored materials, fire resistance rating, levels, safe evacuation, etc.; B. "Fire Safety Management Rules for Warehouses" issued by the Ministry of Public Security, covering fire organization, electrical equipment management, fire equipment management, etc.; C. Knowledge of physical and chemical characteristics of stored products and special fire prevention and extinguishing requirements; D. Knowledge of various fire protection facilities and equipment and their usage.

**44. What does warehouse prevention work include?**
Fire prevention, theft prevention, moisture prevention, rust prevention, corrosion prevention, mold prevention, rodent prevention, insect prevention, dust prevention, explosion prevention, and electric leakage prevention.

**45. How to do labor protection well?**
1. Provide labor protection supplies to workers;
2. Improve working conditions;
3. Establish and improve labor protection systems.

**46. What does warehouse security work include?**
1. Guard the warehouse gate, monitor personnel entering and leaving, and register them;
2. Prevent non-warehouse personnel from entering, and prohibit fire sources, flammable, explosive, and other dangerous items from being brought in;
3. Verify outbound vouchers, check whether outbound goods match the vouchers, and make corresponding records;
4. Guard the warehouse day and night to prevent sabotage by lawbreakers and ensure warehouse safety.

**47. How to do warehouse disaster prevention work?**
1. Be responsible for the safety of warehouse facilities, personnel, and stored goods, eliminate all hidden dangers, and ensure warehouse safety;
2. Conduct safety production education in the warehouse to improve safety awareness of workers;
3. Fully implement typhoon prevention, flood prevention, heatstroke prevention, and cold prevention to ensure the safety of warehouse and stored materials;
4. Cooperate with fire departments in fire training and fire safety competitions;
5. Actively complete various security tasks assigned by superior leaders and public security organs;
6. Regularly summarize warehouse safety work and propose improvement suggestions.

**48. Fire types and corresponding extinguishing equipment?**
A. Ordinary solid materials: water extinguisher, acid-base extinguisher, foam extinguisher, halon extinguisher;
B. Liquids or meltable solids (gasoline, paraffin, asphalt): dry powder extinguisher, halon 1211, 1301 extinguisher;
C. Gas substances (coal gas, natural gas, methane): dry powder extinguisher, halon 1211, 1301 extinguisher, CO2 extinguisher;
D. Metal substances (potassium, sodium, magnesium, etc.): dry sand.

**49. Steps for using a fire extinguisher?**
1. Carry or shoulder the extinguisher to the fire scene;
2. Place the extinguisher about 5 meters from the burning area; if outdoors, spray from upwind direction;
3. If it is a dry powder extinguisher with external pressure, hold the spray gun with one hand and lift the gas cylinder with the other to open the pull ring; if it is a handwheel type, turn counterclockwise to the highest position and lift the extinguisher;
4. If it is a built-in gas cylinder or pressure type, first pull out the pin on the handle, then hold the nozzle at the front of the hose with one hand and press the handle with the other to open the extinguisher and extinguish the fire;
5. After the dry powder is sprayed, aim at the base of the flame and sweep from side to side to quickly cover the burning surface.

**50. Precautions when calling the fire alarm?**
1. Clearly state the specific location of the warehouse;
2. Explain the types of materials stored, the items involved, and the burning situation;
3. Explain whether the warehouse is a single-story or multi-story building;
4. State your name, work unit, and phone number;
5. After calling, send someone to wait at the intersection to guide the fire trucks to the fire scene for quick and accurate arrival.

Source: Internet
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