3-D printer: bigger, heavier than a printer but can produce solid objects similar to originals... Name of invention normal printer c.. Benefits 3-D printer To produce solid projects mak
Trang 1LESSON 4. SPEAKING
Trang 2Unique Inventions
WHAT IS THIS ?
3-D printer: bigger, heavier than a printer but can produce solid
objects similar to originals
Trang 3Acitvity 1 Practice the conversation
Trang 4Activity 2 Complete the table
a Name of invention
normal printer
c Use
d Benefits
3-D printer
To produce solid projects
make things similar to the
originals
Trang 5Acivity 3
USB stick
Portable solar
charger
Trang 6Unique Inventions
Name of Invention Portable solar USB stick
(mobile phones, cameras, and laptop
Store data (audio or video files)
enviromentally-friendly not dependent on electricity
-Easy to transport files easy to carry
Trang 7Thank you for your watching!!!!!!!!