Using the electronic dictionary

Increase safety and productivity

Many of the jobs performed by workers in a production environment require the movement or positioning of large and heavy objects; objects that are too heavy or bulky to be safely or efficiently moved by a production worker When this is the case, it is often in the best interest of a company and the worker to use some sort of work positioner to get the job done. Commonly used work positioners include manipulators, hoists, lift tables, and tilting devices. Manipulators and hoists are tools that aid workers in handling either heavy or awkward loads. Not only do they protect workers from unnecessary strain and possible injuries, they also prevent damage to the materials and equipment being moved or positioned. While both manipulators and hoists can be used to raise and lower loads, manipulators can provide vertical and horizontal positioning, as well as rotational

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Using the electronic dictionary you could find out the meening of the words that you don´t understand, logging http://www.answers.com/

bulky

1. Having considerable bulk; massive.
2. Of large size for its weight: a bulky knit.
3. Clumsy to manage; unwieldy.

hoist

1. To raise or haul up with or as if with the help of a mechanical apparatus. See synonyms at lift.
2. To raise to one's mouth in order to drink: hoist a few beers.

Also you could visit differents websites like:

http://www.merriam-webster.com/
http://www.wordreference.com/
http://www.thefreedictionary.com/