Class-I Light Duty: These are normal maintenance cranes which are not in constant use. Cranes for periodical maintanace of plant and machinery come under this category. These type of cranes have rated life not less than 20 year of 250 days per year and 1/2 hour working time per day. Their speed are slow and the structures are light.
Class-II Medium Duty: This class perhaps Covers the largest number of cranes used in the industry. In Workshop, Foundries, Processing Plant , important ware-houses and in fact areas, where a fair degree of activity exists. These
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