Nhazi nke 1.L, nwere oghere 7.
2. Ike na ike.
3.Ọ dịghị mfe deform.
4.Hot galvanizing elu.
Ntu jikọtara keel osisi nwere ụdị L na-enye ụzọ dị mma na nke dabara adaba maka ntinye nke keel osisi site na ijikọta ike na mbọ ọnụ. Dị ka ihe dị mkpa na-akwado ihe nhazi n'ime ụlọ, a na-ejikarị kel osisi eme ihe na ọnụ ọgụgụ dị ukwuu nke mbọ. Agbanyeghị, enwere ụfọdụ nsogbu na usoro ntinye ntu ọdịnala, dị ka ngwa nrụnye ngwa ngwa, arụ ọrụ siri ike na mmebi osisi dị mfe. Ntu ntu ejiri osisi nwere ụdị L na-edozi nsogbu ndị a nke ọma. Ntu keel osisi na-anabata ụdị nke L, nke na-eme ka ọ dị mfe itinye ntu n'ime keel osisi, na-enye mmetụta nrụzi siri ike nke kwụsiri ike na ntụkwasị obi. Isi nke ntu ahụ bụ ihe mgbochi oxidation, nke nwere njirimara nke nguzogide corrosion na nchara nchara, nke na-eme ka ndụ ọrụ dịkwuo ogologo ma na-ezere mmebi nke osisi nke nchara nke ntu ahụ kpatara.
1.The actuated osisi joist ntu adopts ígwè efere na 2mm ọkpụrụkpụ, 21mm dayameta, na ọ bụghị ihe na-erughị 5μ zinc mkpuchi.
2.Mgbe agbapụ C30-C40 ihe, ịbịaru ike n'ime 4200-5800N2. Ike dị iche iche nke ihe dị iche iche na-emetụta omimi dị iche iche nke mbọ ọkpọkọ nke na-eduga na data dị iche iche. Anyị na-eji oke data dị mma. Na-emekarị, ike ịbịaru nke otu ntu suites maka ibu na-erughị 100kg.
A na-eji ntu joist osisi agbakwunyere n'ọtụtụ ebe iji wụnye steepụ osisi n'ime ụlọ obibi ma ọ bụ chekwaa nkebi osisi na ụlọ azụmahịa.
Ihe mgbakwasị ụkwụ okpukpu abụọ, dị nchebe karịa otu ma ọ bụ nke a na-akpọ multi propellant. A na-eji nitro owu na nitroglycerin ma ọ bụ plastik ndị ọzọ na-agbawa agbawa mee akụkụ ike nke ntu ntu ụlọ agbakwunyere dị ka ihe bụ isi ike ya. A na-eji ya eme ihe maka nnukwu ngwa agha caliber na ebubo ịgba egbe.