Zothandiza pakugwiritsa ntchito zomangamanga, zokongoletsa malo, ntchito zaulimi, komanso zosangalatsa zakunja, izi zikugwira ntchito yosavuta kugwiritsa ntchito imachepetsa ntchito zosiyanasiyana, kukoka zitsa za mitengo, kapena kutolera katundu pamayala.
| Chitsanzo | G / W (ma kg) | Njira (mm) | N / W (kgs) | Kukula (mm) |
| WRP-1000 | 1 | 5 * 2800 | 3.3 | 580 |
| WRP-1500 | 1.5 | 6 * 2800 | 4.35 | 680 |
| WRP-2000 | 2 | 6 * 2800 | 4.7 | 680 |
