Lesi sikhwama senziwe ngendwangu yekhwalithi ephezulu, uhlaka oluqinile lwe-aluminium kanye nebhodi le-MDF. Ikhwalithi ephezulu, imfashini futhi imelana nezinyembezi. Uhlaka oluqinile lwe-aluminium kanye namakhona alo ensimbi amboziwe avimbela ukuhuzuka. Izinyawo ezine zifakwe ngaphansi kwesikhwama ukuze kunikeze ukuvikeleka okwengeziwe nokuzinza.
Siyimboni enesipiliyoni seminyaka engu-15, esisebenza ngokukhethekile ekukhiqizeni imikhiqizo eyenziwe ngokwezifiso njengezikhwama zokwakheka, amakesi okwenza izimonyo, amakesi e-aluminium, amakesi endiza, njll.