and prosperity of these milk-related industries. article 3 of the law on the protection of handicrafts. the supreme council of vocational and technical training also says that improving the quality of handicrafts should be on the agenda. zahra alizadeh, sda news agency abbasi news my name is khoda elias freeman, born in 1372 in neishabor city, khorasan razavi province. the topic of my thesis is the construction of a tensile test device for measuring and evaluating the behavior of memory materials. these devices have a test fluid chamber at different temperatures . these materials are tested in industries. it is widely used in various fields, such as medicine, aerospace, textile, automobile manufacturing , etc. memory polymers are polymer materials that, when an external stimulus such as temperature change is induced in them , have the ability to return from a deformed state to their original and original form, which is one of the potential applications. these medical items are intravenous tubes, self-adjusting orthodontic wires, flexible tools of choice for small-scale surgeries, and their use in the internet. these polymers also have importa