Gịnị bụ ule Cross Cut?

Nnwale ịkpụ obe bụ ule iji chọpụta njikọta nke mkpuchi ma ọ bụ mbipụta n'elu ihe.

Enwere ike kewaa ya n'ọkwa ASTM 5, ka ọkwa ahụ dị elu, otú ahụ ka ihe achọrọ si sie ike. Maka iko nwere mbipụta ma ọ bụ mkpuchi silkscreen, ọkwa ọkọlọtọ na-abụkarị 4B yana mpaghara flaking <5%.

Ị ma otu esi eji ya?

-- Kwadebe igbe nnwale ịkpụ obe
-- Akpụcha obosara ihe dị ka 1cm-2cm na oge 1mm-1.2mm na mpaghara nnwale ahụ, grid iri na mkpokọta
-- Jiri ahịhịa hichaa ebe e ji ahịhịa kpụọ ya mbụ
-- Tinye tap doro anya nke 3M iji hụ ma enwere mkpuchi/eserese ọ bụla.
-- Tụlee ya na ọkọlọtọ ahụ iji kọwaa ogo ya

Saida Glassna-agba mbọ mgbe niile ịbụ onye mmekọ gị a pụrụ ịtụkwasị obi ma mee ka ị nweta ọrụ bara uru.