Umthombo wokukhanya wamkela ukukhanya okuqaqambileyo kwe-LED.Ukukhanya okuphezulu, ukusetyenziswa kwamandla aphantsi, ubomi obude, imigangatho yechromatographic, i-angle enkulu yokujonga, zonke izibiyeli ezixhomayo zokukhanya zishushu-dip zifakwe igalvanized, kunye nezikrufu ezixhomayo zizikrufu ezenziwe ngamagalvanized, ezine-anti-rust kunye nemisebenzi engangeni manzi xa iyonke kwaye kulula. ukufaka.