ar ctic ▁expedition . ▁Other ▁uses ▁have ▁included ▁churches , ▁health ▁care ▁facilities , ▁sales ▁and ▁ret ail ▁offices , ▁fast ▁food ▁restaur ants ▁and ▁cru ise ▁ship ▁construction . ▁They ▁can ▁also ▁be ▁used ▁in ▁areas ▁that ▁have ▁weather ▁concerns , ▁such ▁as ▁h urr ican es . ▁Mod ular ▁buildings ▁are ▁often ▁used ▁to ▁provide ▁temporary ▁facilities , ▁including ▁to ile ts ▁and ▁ab l utions ▁at ▁events . ▁The ▁port ability ▁of ▁the ▁buildings ▁makes ▁them ▁popular ▁with ▁h ire ▁companies ▁and ▁clients ▁al ike . ▁The ▁use ▁of ▁mod ular ▁buildings ▁enables ▁events ▁to ▁be ▁held ▁at ▁locations ▁where ▁existing ▁facilities ▁are ▁un available , ▁or ▁unable ▁to ▁support ▁the ▁number ▁of ▁event ▁at ten de es . ▁ ▁Const ruction ▁process ▁Const ruction ▁is ▁off site , ▁using ▁lean ▁manufact uring ▁techniques ▁to ▁pre fab ric ate ▁single ▁or ▁multi - story ▁buildings ▁in ▁deliver able ▁module ▁sections . ▁O ften , ▁modules ▁are ▁based ▁around ▁standard ▁ 2 0 ▁foot ▁containers , ▁using ▁the ▁same ▁dimensions , ▁structures , ▁building ▁and ▁stack ing / pla cing ▁techniques , ▁but ▁with ▁smooth ▁( inst ead ▁of ▁cor rug ated ) ▁walls , ▁gl oss y ▁white ▁paint , ▁and ▁prov isions ▁for ▁windows , ▁power , ▁pot able ▁water , ▁se w age ▁lines , ▁tele communic ations ▁and ▁air ▁condition ing . ▁P erman ent ▁Mod ular ▁Const ruction ▁( P MC ) ▁buildings ▁are ▁manufact ured ▁in ▁a ▁controlled ▁setting ▁and ▁can ▁be ▁constructed ▁of ▁wood