1, qhov kev pom zoo pub siab tshaj plaws rau ib nthwv dej: Tag nrho-siab hom α = ± 24 hli semi-high hom α = ± 12 hli.
2, Cov Ntawv Phaj Tshooj: Tsis pub siv cov pa hauv av los yog cov plua av tsawg dua ntawm cov raj xa dej, cov plua plav tsis muaj plua plav yuav tsum siv rau hauv cov txaj ntoo.
3, thiaj li yuav txo cov naj npawb ntawm cov pob tw hauv corrugated, yuav tsum xav txog txias 50%.
4, qhov txheej txheem kho hluav taws xob uas yog semi-high corrugated yog tsim rau cheeb tsam hauv cheeb tsam tsawg dua 4.6 square metres thiab cov pa tsheb dav hlau muaj ib sab tsawg dua 1.5m tab sis ntau dua 0.6 hli zaus. Txhuas tag nrho cov khoom kub muaj corrugated hlau hoses yog tsim rau txhua tus pa luam yeeb.
