induction welding
71Vacuum packing — Salt baked chicken feet sold in China: vacuum packed and ready to eat Vacuum packing or vacuum packaging is a method of packaging that removes air from the package prior to sealing. It can involve both rigid and flexible types of packaging. The… …
72Molded pulp — Molded pulp, also named Moulded pulp or Molded Fibre, is a packaging material, typically made from recycled paperboard and/or newsprint. It is used for protective packaging or for food service trays and beverage carriers. Other typical uses are… …
73Cushioning — Package cushioning is used to help protect fragile items during shipment. It is common for a transport package to be dropped, kicked, and impacted: These events may produce potentially damaging shocks. Transportation vibration from conveyors,… …
74Brushed DC electric motor — A brushed DC motor is an internally commutated electric motor designed to be run from a direct current power source. Contents 1 Simple two pole DC motor 2 The commutating plane 2.1 Compensation for stator field distortion …
75Hispanic Americans in World War II — fought in every major battle in the European Theatre, from North Africa to the Battle of the Bulge, and in the Pacific Theater of Operations, from Bataan to Okinawa. According to the National World War II Museum, between 250,000 and 500,000… …
76Check weigher — Example checkweigher. Product passes on the conveyor belt where it is weighed A checkweigher is an automatic machine for checking the weight of packaged commodities. It is normally found at the offgoing end of a production process and is used to… …
77Metallised film — Metallised films used for food packaging Metallised films (or metallized films) are polymer films coated with a thin layer of metal, usually aluminium. They offer the glossy metallic appearance of an aluminium foil at a reduced weight and cost.… …
78Child-resistant packaging — or C R packaging is special packaging used to reduce the risk of children ingesting dangerous items. This is often accomplished by the use of a special safety cap. It is required by regulation for prescription drugs, over the counter… …
79Elihu Thomson — Pour les articles homonymes, voir Thomson. Elihu Thomson ca. 1880 Elihu Thomson (né le 29 mars 1853 à Manchester (Angleterre), décédé le 13  …
80Tube (forme) — Pour les articles homonymes, voir Tube. Le célèbre tube de colle jaune Dans l industrie et les BTP, la désignation tube est souvent réservée au cylindre en acier et celle de tuyau au cylindre fabriqué à partir d autres ma …
