Ihe nchekwa
-
Ihe nchekwa hydraulic na-eri ike
THY usoro mbuli mmanụ nrụgide dị na TSG T7007-2016, GB7588-2003+XG1-2015, EN 81-20: 2014 na EN 81-50: 2014 ụkpụrụ. Ọ bụ ihe nchekwa na-eri ume arụnyere na ogwe igwe mbuli. Ngwa nchekwa nke na-arụ ọrụ nchekwa nchekwa ozugbo n'okpuru ụgbọ ala na counterweight n'ime olulu.