Zida: Kulimba kwa zida ndi nzeru ya elasticity
Maziko Ntchito ya mphamvu ya zipangizo ndi kudziwa kuti thupi lolimba lingathe kupirira mphamvu zakunja ziti (mwachitsanzo, nyumba, gawo la zomangamanga kapena nthaka). Kuti tiyankhe funso ili timachokera pa mfundo ziwiri: mbali imodzi zovuta, zisamapose malire ena omwe amadalira mtundu…
Werengani nkhani