Match the following regulations to their appropriate categories. a. Non-compatible materials must be segregated in storage b. It must be stacked on level and solidly supported sills c. All materials stored in tiers must be stacked, racked, blocked, interlocked or otherwise secured to prevent sliding, falling or collapse d. Keep storage areas free from accumulated materials that cause tripping, fires or explosions, or that may contribute to harboring rats and pests 1. Lumber material storage 2. Special type material storage 3. General material storage 4. Housekeeping

a. Non-compatible materials must be segregated in storage - Special type material storage

Non-compatible materials means that materials are of a special type and not of the normal ones used and so this regulation relates to Special type material storage

b. It must be stacked on level and solidly supported sills - Lumber material storage

For lumber not to get damaged it needs to be stored in a certain way being that it should be stacked on level and solidly supported sills so this relates to Lumber storage.

c. All materials stored in tiers must be stacked, racked, blocked, interlocked or otherwise secured to prevent sliding, falling or collapse. - General material storage

This relates to general material storage as it is a standard method of storage aimed at preventing potential dangers.

d. Keep storage areas free from accumulated materials that cause tripping, fires or explosions, or that may contribute to harboring rats and pests. - Housekeeping

Housekeeping is done to keep the storage as free from calamity as possible so this regulation falls here.

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