Boxil Board Class chipangizo / Krone Pouyt waya waya ndi ogwiritsa ntchito makina, padziko lonse lapansi. Hook ndi zida zopukutira zimamangidwa mu chogwirira, kuti zichotse mawaya kuchokera ku mtundu uliwonse kapena kuthandiza ma waya pogwiritsa ntchito mbewayo, ndikuchotsa gawo lomwe limalumikiza kuchokera ku bulaketi yokwera pogwiritsa ntchito spauder.
Masamba onse amasinthana ndikusintha ndi madrits panjira imodzi, tsamba ndizosavuta kusinthana mutu wa chitsimikizo champhamvu.