Qufulka wareegga wareegga ee LEDS (xarunta wareegga wareegga wareegga) badanaa waa qufulka badbaadada fiilada, kaas oo si wax ku ool ah u quful dhibcaha goynta korantada oo ay ku jiraan jebiyayaasha wareegga iyo furyada korantada.

Xajmiga xidhidhiyaha wareegga wareegga: 45mm sare 39mm ballac 20mm jir qufulka balaastiga ah ee injineernimada;85mm dhererka shaleelada (la beddeli karo);
• Dhexroorka 3.2mm ee xadhigga xadhigga birta ah ee birta ah ayaa u oggolaanaya furayaasha inay si sax ah u xidhaan dhammaan noocyada qalabka qufulka jebiya;
• Fiilada dabacsani waxay u oggolaaneysaa meelaynta jirka qufulka is haysta si albaabka guddiga kantaroolku si habboon u xiro;
• La qabso xadka bannaan ee cidhiidhiga ah ee wareegga wareegga si aad u xirto sanduuqa;
• Isbeddelo badan oo muhiim ah ayaa la samayn karaa si loo yareeyo suurtagalnimada nuqullo muhiim ah oo aan loo baahnayn.