someone please please help with this we have to make a sketch of a hydraulic spreader or cutter I chose the spreader now we have to show two views of it that will show all three dimensions the height the length and the with now over here what is the 900 is it the length or width what is the 300 is it the height with or length and then how would I draw the last one if two of those are for example length and width how would I draw the height plzzz someone help this is due tomorrow and I need help please. pleasee​

Dereck works for long hours on his computer.  he frequently experiences physical strain by the end of the day because he does not follow an important rule of ergonomics with respect to the use of keyboards.  which of the following actions of dereck could lead to physical strain? a.  placing the keyboard exactly in front of him while typingb.  keeping hands and wrists straight while typingc.  using wrist pads throughout the dayd.  pounding at the keys on the keyboard while typinge.  resting his hands on the keyboard when he is not typing