Akụkọ

MDF malitere na United States n'etiti 1960s.

Jiri nlezianya nyochaa bọọdụ fiber iji hụ na nha na njupụta otu.

Medium Density Fiberboard (MDF) bụ ụdị ngwaahịa osisi arụpụtara nke sitere na obere-osisi dayameta, ihe mkpofu na nhazi, yana ihe ndị na-abụghị{1}}...

A na-ahụta plywood ka ọ bụrụ ngwaahịa etiti- ruo{1} dị elu{2}} n'ahịa ahịa osisi{3}} dabere.

Mgbe ị na-eji plywood na-enweghị mmiri na gburugburu ebe mmiri na-ekpo ọkụ (dị ka ụlọ ịsa ahụ), a ghaghị iji mmiri na-ekpuchi elu ya kpuchie ya.

Mgbe a na-emepụta plywood, a na-ejikarị formaldehyde{0}} adhesives eme ihe, yabụ ngwaahịa emechara ga-ahapụ formaldehyde n'efu ka ọ bụrụ ogo dị ich...

Plywood nwere ezigbo skru{0}}ike njide, ike dị elu, ma mara ya site na isi ike, nnabata ụda, yana mkpuchi ọkụ.

Formaldehyde. Dịka ụkpụrụ mba siri dị, oke ikuku formaldehyde maka blockboard site na iji usoro ụlọ ihu igwe bụ E1 Ihe na-erughị ma ọ bụ haha ​​0.1...

Nrụpụta osisi bụ otu n'ime ụdị ihe arụrụ arụ nke ọdịnala na-ejikarị eme ihe.

Injinia ihu ihu ọma na-eji udidi eke nke sinkịtị akpụzizi ka ọ na-emecha ya.

Ọ gwụla ma akọwapụtara n'ụzọ ọzọ, a na-agbakọ ọnụ ọgụgụ nke ihe nkedo -na{1}} ebe sink na ihe gbasiri ike dabere na mpaghara ebe kọntaktị dị n'etit...

Ogwe mgbidi kristal carbon dị elu- nwere elu dị larịị, enweghị ncha doro anya, mmetụta siri ike, na enweghị isi. Jụọ maka asambodo gburugburu tupu ...