1. A fannin kayan aikin injina, kashi 85% na tsarin watsa kayan aikin injina suna amfani da na'urar watsawa da sarrafa su ta hanyar amfani da na'urar sarrafa ruwa. Kamar injin niƙa, injin niƙa, injin planer, injin busar da kaya, injin matsewa, injin aski, kayan aikin injin haɗaka, da sauransu.
2. A masana'antar ƙarfe, ana amfani da fasahar hydraulic a cikin tsarin sarrafa tanderu na lantarki, tsarin sarrafa niƙa mai birgima, caji a cikin murhu, sarrafa mai juyawa, sarrafa tanderu mai fashewa, karkacewar tsiri da na'urar tashin hankali mai ɗorewa.
3. Ana amfani da na'urar watsa wutar lantarki sosai a cikin injunan gini, kamar injin haƙa rami, na'urar ɗaukar tayoyi, injin ɗaukar manyan motoci, injin bulldozer na crawler, injin ɗaukar tayoyi, injin scraper mai sarrafa kansa, injin grader da kuma injin girgiza.
4. Ana kuma amfani da fasahar hydraulic sosai a cikin injunan noma, kamar injin haɗa kayan girbi, tarakta da kuma garma.
5. A masana'antar kera motoci, motocin da ke amfani da ruwa a waje da hanya, manyan motocin juye-juye na ruwa, motocin aikin iska na ruwa da kuma injunan kashe gobara duk suna amfani da fasahar hydraulic.
6. A masana'antar yadi mai sauƙi, injunan ƙera filastik, injunan ƙera roba, injunan takarda, injunan bugawa da injunan yadi suna amfani da fasahar hydraulic.