Urukurikirane rwa SSPQ rwa kabiri - Umukoresha ukwiranye nigikoresho cyo kugakoreshwa mumavuta yumye cyangwa amavuta yoroheje ya sisitemu yo gusiganwa na 40Ma. Byombi - Umurongo Dispenser ukoreshwa mugutanga libriciring kuri buri ngingo yoroheje muburyo busanzwe muburyo bwo gukanda amavuta ukoresheje imirongo ibiri itangwa. Abasuzugwa baraboneka hamwe na screw, hamwe no kwerekana kugenda no guhinduka.
