Re lumela hore boleng bo ke ke ba hatisoa ho feta tekano. Ho Rongli Forging, lab ea rona ea tlhahlobo ea boleng e bulehile 24 x 7 ho netefatsa hore boleng bo beiloe leihlo haufi-ufi sethaleng ka seng, ka li-gage le lisebelisoa tsa rona tse hlokometsoeng hantle le tse lekantsoeng ka nepo. Lisebelisoa tsa rona tsa tlhahlobo ke tse latelang:
