I-XIXI ayinaso isikhathi sokulondoloza ukukhanya kwemvelo okuyisisekelo, imisipha ethambile nethambile engangeni manzi futhi elwa nokujuluka, ayilula ukuyibeka ekhadini.
Ukukhetha uwoyela oxutshwe nesikhumba samafutha onenguqulo yezimonyo, isikhumba esomile esixutshwe nohlobo lwe-hydraulic lokukhetha okomile, uwoyela wesikhumba owomile kanye nokukhetha isikhumba ngemisipha, hhayi ukuxakeka
Impushana izwakala ilula kakhulu, futhi i-smear ayinamathele.
Ukhilimu okhilimu ulula futhi uqinile, futhi ukuhlangana nesikhumba kufakwe kahle kakhulu ngaphandle kokunamathela, futhi kukhona ukukhanya kwemvelo ngaphakathi nangaphandle.
Ukubamba izimonyo: Kufanelekela isikhumba esinamafutha, esithambile nesikhanyayo, senqaba ukuba mnyama
Imodeli ye-Hydraulic: ifanele isikhumba esomile, esixubile noma izinkathi zasekwindla nasebusika, ifuna ukudala izimonyo ezithambile nezikhanyayo
Ngaphambi kokusebenzisa: amaphutha asobala, ithoni yesikhumba engalingani
Ngemva kokusebenzisa: ithoni yesikhumba ihlanzekile ngokulinganayo, amaphutha afihliwe
Umphumela wokusetshenziswa uyahlukahluka kumuntu nomuntu













