Ho ba fektheri e hlomphuoang ea lehae le lifensetere tsa lefats'e.
Khamphani ea rona ea WJW ke moetsi ea ka sehloohong oa aluminium oa mamati a aluminium, lifensetere. Haeba u batla mokhoa oa sejoale-joale le setaele oa ho nchafatsa chebahalo ea lehae la hau, mamati le lifensetere tsa aluminium ke khetho e kholo. Ha li fane feela ka botle bo boreleli le ba sejoale-joale, empa hape li tšoarella haholo ebile ha li na tlhokomelo e tlase. Ho feta moo, mamati a aluminium le lifensetere li ka thusa ho ntlafatsa matla a matla a ntlo ea hau ka ho boloka lirafshoa le tahlehelo ea mocheso. Kahoo haeba u ntse u nahana ka ho lokisa ntlo ea hau, etsa bonnete ba hore u nahana ka mamati le lifensetere tsa aluminium!
WJW ke e 'ngoe ea tse baetsi ba ka sehloohong ba li-shutter tsa aluminium . Mamati le lifensetere tsa aluminium li entsoe ka mokhoa o mocha 'me li entsoe ka boleng bo holimo. Li-shutter tsa aluminium li na le litšoaneleho tsa moea oa moea, molumo o bobebe oa molumo, mabone a matle, joalo-joalo, ho latela khetho ea meaho ea sejoale-joale.
WJW e fana li-shutter tsa aluminium tse tloaelehileng lits'ebeletso tse joalo ka mebala le libopeho tse ikhethileng. li-shutter tsa aluminium li na le mefuta e mengata ebile lia tšoarella. Sena se o nolofalletsa ho khetha sehlahisoa se loketseng morero oa hau. Litsebi tsa rona tsa mamati li ka u thusa ho kenyelletsa Windows ena ea tloaelo morerong oa hau o latelang. Ho WJW Windows & Menyako, re ka u thusa ho fumana fensetere e nepahetseng ea aluminium bakeng sa morero oa hau habonolo. WJW e boetse e na le sehlopha sa lienjiniere tse inehetseng tse ikemiselitseng ho u thusa ho u khethela khetho e molemohali.