Umthamo ophezulu wokuthwala umkhiqizo ukuze ugweme ukuthintana phakathi kwensimbi unganxephezela amandla omngcele omuhle ukumelana nokuhuzuka, impilo ende yokungqubuzana kuvimbela umphumela wokudlidliza womshini wokuvikela uthuli muhle kakhulu, vumela umhlahlandlela wangaphandle wesitimela umthwalo ongemuva ungamuncwa oshumekiwe oqondisa isiqondiso soketshezi. I-dynamics ayinankinga njengoba ithangi lonke lilula, futhi izindleko zokulifaka kalula ziphansi ngenxa yendandatho yokuguga, ingandisa isikhala sokuvala i-extrusion.