[ti:3D Printer Builds Large Home in Texas] [by:www.51voa.com] [00:00.00]更多听力请访问51VOA.COM [00:00.04]A huge 3D printer is working to create [00:05.20]what is believed to be the first two-story home [00:09.84]built with the technology in the United States. [00:13.84]The home is currently taking shape in Houston, Texas. [00:19.60]The 3D printing machine working on the project [00:23.88]weighs more than 12 tons. [00:27.56]The 3D printer is using concrete to produce the home, [00:34.20]which will be about 371 square meters. [00:39.56]Some parts of the home will also have wood elements. [00:46.00]Leaders of the project said the process [00:50.28]is expected to take about 330 hours of printing. [01:09.88]Lok told Reuters news agency that in the design process, [01:15.36]the team had to think about more [01:18.08]than the design of the house and how it would be used. [01:22.68]"We also design the actual print path, [01:27.32]like how the printer will print, [01:30.08]where it starts and where it stops," Lok said. [01:34.48]The project is a two-year cooperative effort by HANNAH, [01:39.80]building company PERI 3D and CIVE, [01:44.20]which provided engineering support. [01:47.72]Lok said since the printer does most of the work, [01:52.36]fewer workers are needed at the building site. [01:56.44]She said the effort only requires four to five people [02:01.84]to oversee the 3D printing process. [02:05.80]Lok said: "One of the benefits is also, [02:10.36]it takes a lot of the heavy lifting, [02:13.40]the labor" from human workers. [02:16.92]Concrete is a very strong material to use [02:21.36]in home building and can survive hurricanes, [02:25.40]heavy storms and other severe weather. [02:29.12]Roberto Montemayor [02:32.32]is the project leader for PERI 3D Construction. [02:37.40]He told Reuters the large 3D printer operates [02:42.68]in much the same way as the small printers [02:46.44]used in homes and offices. [02:49.32]But there are two main differences. [02:52.80]The first is that the home-building 3D printer [02:57.48]can be expanded and changed [03:00.36]to fit the needs of any size project, Montemayor said. [03:06.24]The other difference is the material it uses. [03:11.08]"We are printing here with concrete, [03:14.56]which is a completely different material than plastic." [03:20.04]The home is expected to be completed [03:23.48]in the second half of 2023. [03:26.80]The builders say they hope the modern method [03:31.16]can be used in the future to build even larger housing structures. [03:37.44]They said the technology can also build homes faster [03:42.60]and for a lot less money. [03:45.44]A growing number of American companies [03:49.72]have begun offering homes built [03:52.68]with 3D printing technology in recent years. [03:57.24]But so far, the homes being offered are much smaller. [04:03.68]The startup company Icon, based in Austin, Texas, [04:09.04]made news in 2018 by completing [04:13.24]the first permitted 3D printed home in the U.S. [04:19.12]At the time, it said the home [04:23.00]had been built in just one day. [04:27.44]I'm Mario Ritter, Jr. 更多听力请访问51VOA.COM