1. Always observe safety measures
when manipulating inclined planes.
II. In lifting objects through inclined
planes, one should see to it that the platform
is strong enough to withstand the weight of
an object
III. Inclined planes are very important,
especially for people with physical
disabilities
IV. There is no need to check if the
inclined plane you will be using is sturdy or
not.
A. 1,11,111
B. IV only
C. lll only
D. 1,11,111,1V​