1. Appropriate packaging materials should be selected according to the nature, size, weight, transportation distance and transportation conditions of the articles to be sent, so as to prevent:

(1) The cover is broken and the inside is exposed;

(2) Injury treatment personnel;

(3) polluting or damaging other mails;

(4) The principle is that damage is caused by collision, friction, vibration, pressure, climate and other reasons during transportation.

3. Soft, dry, pressure-resistant and anti-collision articles, such as clothes, shoes and socks, can be packed with cloth or multi-layer tough paper. For larger cloth bags or paper bags, tie them into a one-pound shape with a rope. Books, books and other items, if packed with paper or cloth, should be packed with cardboard or wooden boards up and down before binding to protect the interior and avoid binding damage.

3. Items that are not resistant to pressure, afraid of collision or easy to pollute other mails should generally be packed in corrugated boxes, calcium plastic box, wooden boxes or metal boxes with strong pressure resistance. The thickness of the board shall not be less than 1cm, and the following items shall be paid attention to when packaging:

(1) Fragile and fragile articles, such as glass, ceramic utensils and the articles contained in these utensils, should leave a gap of 2 cm between the internals and the box board, and fully fill it with soft materials. If there is more than one item in the box, it should be wrapped with corrugated paper, sponge, straw and other things to prevent collision and damage during transportation.

(2) Liquid or soluble articles, such as potions, drinks, oils, honey, etc. , should be put into a completely sealed container, and then put into the box. The gaps around the top and bottom of the box should be completely filled with soft absorbent materials. If the containers used are fragile and fragile, and there is more than one, the containers themselves should be wrapped one by one.

(3) ham, salted fish and other greasy, fishy and moisture-regain items should be properly wrapped with oil-tight foreskin, such as plastic bags and wax paper, and then packed.

(4) Colored dry powder, such as pigment and carbon powder, should be packed as liquid soluble articles, or packed in paper bags, and then packed in thick cartons, but the boxes should be filled with sawdust and waste paper, lined with oiled paper and waxed paper to prevent other mails from melting and fouling.

4. General foods, such as sweets and cakes, should be packed in strong and pressure-resistant corrugated boxes, metal boxes or wooden boxes for fear of being crushed; Those who are not afraid of pressure can be wrapped in cloth, but they should be wrapped in plastic bags and wax paper first to prevent melting, dampness and oil leakage.

5. Crop seeds, grains, etc. It can be packed in boxes or thick cloth, or it can be packed in tough paper bags or strong cartons first, and then covered with leather; If the quantity is small, it can be sent separately in thick paper bags or tough and pressure-resistant cartons.

6. Iron products, such as knives, scissors and cones. It should be packed in boxes and the gaps in the boxes should be filled with soft materials.

Once the metal equipment and other bulky items, such as machine parts, instruments, etc. , can be packed with thick cloth, if the pressure can be tied with a rope; If it is not resistant to pressure, the box should be packed, and the gaps in the box should be properly filled according to fragile items. If the box is large, it should be bound with iron hoop or plastic packing tape. When the box is bound with iron hoop, the iron sheet should be nailed tightly to the box board, and it is not allowed to make the iron sheet protrude out of the box or have sharp edges and spikes.

⒏ The whole or whole bundle of articles that are not afraid of collision and pressure resistance, where the edges and corners are rough, there are sharp edges and hooks, or there are prominent teeth and bites, and may damage the mail bag or other mail, such as thick iron drums, bearings, steel cables, etc. , should be boxed, or wrapped in thick cloth and tied tightly with rope, or tied tightly with iron sheets; Where the edges and corners are smooth and the surface is flat, and the bag tube will not be damaged, it can be tied tightly or wrapped tightly with rope cloth.

(9) valuables, such as watches, pocket watches, cameras, gold and silver ornaments, jewelry, precious medicinal materials, etc. , should be packed with strong pressure-resistant paper or metal box or wooden box, the gap in the box should be filled with soft materials properly, and the outside of the box should be packed with tough paper or sewn with cloth.