What are the recommendations for lifting, transporting, and unloading materials according to the ergonomics manual? Position yourself next to the o...

What are the recommendations for lifting, transporting, and unloading materials according to the ergonomics manual?
Position yourself next to the object, keeping your feet apart, with one foot in front of the other, to increase your base of support;
Bend down, bending your knees and keeping your head and back in a straight line;
Hold the object firmly, using the palm of your hands and all fingers;
Stand up, using only the effort of your legs and keeping your arms extended;
Bring the object close to your body;
Avoid lifting heavy objects above your head.
The manual recommends bending your back when lifting heavy objects.
The manual recommends holding the object with only one hand.
The manual recommends keeping the object away from your body.
a) Only item 1 is correct.
b) Items 2, 3, 4, 5, and 6 are correct.
c) Item 1 is incorrect.