Chitetezo ndi kupezeka zimagwira ntchito yofunika kwambiri m'nyumba zamakono. Chitetezo chokwanira chimachepetsa zoopsa, chimawonjezera kuwoneka, ndikufulumizitsa kuyankha ku ziwopsezo. Makina a Automatic Door Motor amasintha magwiridwe antchito ndikuphatikiza kufikika ndi chitetezo, kuonetsetsa ...
Malo akukhala ofunika kwambiri m'mizinda, makamaka pamene madera akumidzi akukula. Zipinda zing'onozing'ono zambiri ndi maofesi amafunikira mayankho anzeru kuti apindule kwambiri ndi phazi lililonse. Mwachitsanzo: Ku Boston, 76% ya malo okhala ndi malo abwino okhalamo, okhala ndi nyumba zokhala ndi malo abwino. Nyumba zazing'ono zing'onozing'ono zimapereka ...