, continue to carry the name into the international audiovisual and photography arts. 3. Media Identifiers
. In some grading systems, it may indicate a specific thickness (caliper) or a "13-lb" lightweight bond, though for "extra quality," it more likely refers to a pack of 13 specialty sheets or a specific size code like Super B (13x19) Extra Quality an4u+petchara+13+extra+quality
: An AN-4 (or AN4U) fitting is a standard size for high-pressure hoses used in fuel, oil, or brake systems. , continue to carry the name into the
The term is a common Thai name, and "Extra Quality" is a standard industry label used by Thai exporters to signify top-tier grading for international markets. though for "extra quality